You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I would like to meet my son on his birthday, can you please book the ticket from DTW to SFO?

ASSISTANT: Sure, please provide me your willing dates to do journey.

USER: Sure, I have to start my journey on 11/26 and return on 11/28.

ASSISTANT: Delta airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Sure, you can proceed for booking on the name of Amy Campbell.

ASSISTANT: Amy, your ticket has been booked with flight-1016.

USER: Thank you very much for your help.

ASSISTANT: Thank you for choosing us.