You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that you are expecting from my side?

USER: Yes, I'm looking for an agency which will book the tickets for a round trip. Will you help me in booking?

ASSISTANT: Sure, I can help you in that flight ticket booking. I need some of your details like dates and airport codes, so can you please provide your airport code that you have planned?

USER: I'm planning a round trip in Philadelphia, PHL. Please book the tickets on the name Larry White.

ASSISTANT: Ok, I have updated your details in my booking site. Now, I need your preferable travel dates of your journey, can you please provide it?

USER: Sure, my planned departure and return dates of journey are 09/18 and 09/20.

ASSISTANT: Ok, let me check with your travel details in our booking site to find a flight for your journey to book the ticket. Please be on hold for a while to check it.

USER: Sure, I'll be on hold but please check for the best flight service on that region.

ASSISTANT: Thank you for being on hold, I have found a flight in economy class with a less ticket fare of 100 due to festival season and there is a 1 halt in between your journey which is providing a best service for the customers, can I confirm your flight ticket booking with this flight?

USER: That's perfect! It's under my budget only. Please confirm the ticket with that flight and let me get the confirmation mail too.

ASSISTANT: Ok, your flight ticket booking has confirmed in UA airlines in the flight-1006 and you will get the confirmation mail by the end of the day. If there is any problem regarding the confirmation you can reach us at any time. We can help you in that one.

USER: Fine, thank you so much for your help in reserving the flight ticket. I really appreciate your great service and I'll refer this agency to my friends also.

ASSISTANT: You are most welcome and thank you for consulting our agency with your query, have a happy journey.