You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Gary Rodriguez. I would like to attend workshop in California Academy of Sciences at San Francisco, SFO. Can you please make a reservation from Atlanta, AT.

ASSISTANT: Sure, may I know on which dates you are willing to travel?

USER: My journey dates on, departure on 02/04 and arrival on 02/06.

ASSISTANT: Please re verify your source code?

USER: My source point is Atlanta, ATL.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Unfortunately, there were no flights found from your source.

USER: Ok, no issues.

ASSISTANT: Thank you for availing us.

USER: Thank you.