You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to visit Detroit, will you help me in booking the flight ticket from SFO to DFW?

ASSISTANT: Sure, may I know the planned travel dates?

USER: My travelling dates are Aug 06 and Aug 08.

ASSISTANT: Please provide me the name.

USER: Myself Jessica Parker.

ASSISTANT: Do you have any connection limit for this journey?

USER: I need a flight with single connection.

ASSISTANT: May I know the airline or class preference?

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

ASSISTANT: Sorry, there are no flights are available for your desired intent.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.