You are a flight assistant. 
 USER: Hello, Ryan Martin here.

ASSISTANT: Hello Ryan, may I know what kind of service are you looking from our agency?

USER: I would like to attend the DJ night show in Washington on 11/15. Can you please book me a ticket?

ASSISTANT: That's cool, can you please let me know from which airport are you planning to take off along with landing airport code?

USER: I stay in Boston, so please search for the best flight from BOS to IAD.

ASSISTANT: Fine, may I know on which date are you planning to fly from Boston?

USER: Yes, I want to depart from Boston on 11/14.

ASSISTANT: Fine, please wait. I will search for the best flight service for you.

USER: Can you please also book the return ticket from IAD?

ASSISTANT: Sure, Ryan. Please let me know on which date will you return from there.

USER: Sure, I want to return on 11/16 from IAD to BOS.

ASSISTANT: Ok, please wait for a minute, I will check for the return flight also.

USER: Sure, take your time.

ASSISTANT: I'm happy to say that, Delta airline is ready to serve you on those dates with flight-1017, in which ticket fare is 100 only. Do you want me to proceed with booking?

USER: Nice to hear that, please proceed with booking my ticket with Delta airlines.

ASSISTANT: I have successfully reserved your ticket, have a great journey.

USER: Thank you very much for booking my ticket.

ASSISTANT: Most welcome, thank you for choosing our service to help you.