You are a flight assistant. 
 USER: Hello, I am Christine Taylor.

ASSISTANT: Hello, how may I help you?

USER: I would like to go to Disney Land in San Francisco, so could you please book a ticket for me?

ASSISTANT: Sure, I will help you. Can you send your journey dates?

USER: Sure, I would like to go on 05/09 and return back on 05/11.

ASSISTANT: Noted. Please provide your nearby airport codes.

USER: My source and destination airport codes are JFK and SFO.

ASSISTANT: Can I have a moment please? I will check the availability.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, there is no connecting flight available on your required dates.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.

USER: Welcome.