You are a flight assistant. 
 USER: Hello, I am Cynthia Carter.

ASSISTANT: Hello, how may I help you at this moment?

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

ASSISTANT: Can I have your journey dates?

USER: I would like to go on 06/09 and return back on 09/11.

ASSISTANT: Please share your nearby airport codes.

USER: Noted, my return date is 06/11.

ASSISTANT: Ok.

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

ASSISTANT: Please wait for a moment.

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

ASSISTANT: Sorry, there is no flights scheduled for your required dates.

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

ASSISTANT: Thank you for reaching us.