You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Can you please avail me a flight ticket from SFO to DFW?

ASSISTANT: Sure, can I know your good name please?

USER: I am Christine Lewis.

ASSISTANT:  When you are willing to travel?

USER: My travel dates are from Nov 6th to Nov 8th.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I want a connecting flight to travel.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: I want to return in the morning.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.