You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Christopher Mitchell.

ASSISTANT: Ok.

USER: I would like to visit San Francisco Jazz Center, will you help me to book a flight ticket to CA - SFO?

ASSISTANT: Sure, do you need any connection limit?

USER: Yes, I need a single connection.

ASSISTANT: Ok, Kindly mention your source.

USER: My source code is AZ - PHX.

ASSISTANT: Ok, please help me with your departure day and arrival day.

USER: My departure date is 04/23 and arrival dates is 04/25.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, There were no flights found with your given details.

USER: Ok, thanks for your support.

ASSISTANT: Thank you for choosing us.