You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Helen Walker.

ASSISTANT: How can I aid you?

USER: I am planning my trip to visit Atlanta to meet my colleagues. Can you please help me in reserving the ticket from SFO to ATL?

ASSISTANT: Sure, I am happy to help you. May I know your travelling dates?

USER: I am willing to leave on Dec 12 and again I will return back on Dec 14.

ASSISTANT: Do you need any break in between journey?

USER: I am flexible with single connection.

ASSISTANT: Is there any other specifications?

USER: No, I don't have any other specifications.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight found in Southwest airline with a fare of 200 and the flight number is 1006. Shall I proceed?

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Ok, your ticket has been reserved in economy class.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for opting us.