You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am a movie actor, I have my trial shoot at San Francisco. Could you book my ticket from Dallas?

ASSISTANT: Sure, could you please provide your airport codes?

USER: My genesis and terminus airport codes are DFW and SFO.

ASSISTANT: Please let me know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Could I have your trip dates, please?

USER: My itinerary dates are Jan 3 and Jan 5.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name to proceed further?

USER: Larry Williams here.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: No problem, I will find an alternative way to travel.

ASSISTANT: Ok.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.