You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you?

USER: Can you please book a flight ticket to my brother on the name of Carolyn Turner?

ASSISTANT: Sure, I am gleeful to help you in flight ticket booking process.

USER: Thank you for your help.

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

USER: He wants to departure from Detroit-DTW on 04/06.

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

USER: I think he wants to return Detroit on 04/08, if it is not possible for him on that date to return, could your agency can change his return date?

ASSISTANT: Yes, our agency has a facility to change the reservation.

USER: Thank you.

ASSISTANT: Fine, where he want to travel?

USER: He wants to travel the city Seattle-SEA.

ASSISTANT: Please wait for a moment, while I search for the flight.

USER: Sure, take your own sweet time.

ASSISTANT: Thanks for your patience, we have the flight availability on your preferable dates with connection 1 and price 100 of AA airline. Are you comfortable with this airline?

USER: Yes, I am comfortable with this flight you can book a ticket for him.

ASSISTANT: Ok, based on your request your ticket has booked in 1001 flight number.

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

ASSISTANT: Thank you for approaching us, hope you have a great day. Please give the feedback about my assistance with our website.

USER: Sure, you are welcome.