You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

USER: I am Nicholas Phillips. Can you please book a ticket for me as I am planning to go for science exhibition at Dallas, DFW?

ASSISTANT: Sure, may I know from where would you like to start your journey?

USER: Source code is Atlanta, ATL.

ASSISTANT: On which dates would you like me to book your ticket?

USER: I am willing to start my journey on 04/07 and return back on 04/09.

ASSISTANT: Is there any class preference?

USER: I am flexible to travel in any class.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need stopover in between my journey.

ASSISTANT: At what price limit are you looking to book a ticket?

USER: I can afford up to 500.

ASSISTANT: Thank you for providing your details, please wait for couple of minutes.

USER: Sure.

ASSISTANT: We have found a ticket in economy class with fare 100 in flight number 1014 of JetBlue airline having a halt.

USER: You can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for connecting with us.