You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service that you are expecting from our agency?

USER: Can you please book a flight ticket to my brother with name Christine White?

ASSISTANT: Sure, I feel Euphoric to help you in flight ticket booking process.

USER: Thank you.

ASSISTANT: Ok, may I know your brother's itinerary planned date to go there?

USER: He wants to departure from Boston on 08/16.

ASSISTANT: Ok, may I know his genesis and terminus airport codes for booking?

USER: My brother's source location is Boston, the nearest airport code is BOS and he need to reach Las Vegas-LAS.

ASSISTANT: Ok, is there any return trip that he is planning?

USER: I think he wants to return Boston on 08/18, if it is not possible for him on that date to return, could your agency can change his return date?

ASSISTANT: Yes, our agency have a facility to change the reservation. You have no problem with that.

USER: Thank you.

ASSISTANT: Can you please re verify your brother, the above mentioned details are perfect of he would like to change anything else?

USER: Everything is perfect, please book a flight ticket as per my brother's requirements.

ASSISTANT: I will keep the conversation on hold to check the flights and I will revert back with a best flight in our agency.

USER: Sure, take your own time.

ASSISTANT: Thank you for being on hold. Based on your brother's request, I have found a flight with 1 dropping point in between his journey and with a minimum fare of 200 is available for him. Can you please ask your brother the mentioned flight requirements are matched for him?

USER: Yes, he feel comfortable with this flight, you can proceed with booking.

ASSISTANT: Sure, I have confirmed his ticket in flight number 1000. Hope you have satisfy with our service.

USER: I really appreciate all the hard work you’ve done to help us. Thank you for your service.

ASSISTANT: Thank you for approaching us, say happy journey to your friend from my side.

USER: Most welcome.