You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please find a flight availability from Dallas & Fort Worth on the date March 9th?

ASSISTANT: Sure, on which dates would you like to travel?

USER: I am willing to return back on the date of March 11th.

ASSISTANT: Ok, can I know your class preference?

USER: I am comfortable with any class type.

ASSISTANT: Do you need any connection in between the journey?

USER: I would prefer to travel in a flight which is having a single connection limit.

ASSISTANT: Ok, please share your airport codes.

USER: The origin and destination airport codes are DFW and JFK.

ASSISTANT: Please let me know if you have any other specifications.

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

ASSISTANT: May I know your name please?

USER: My name is Matthew Roberts.

ASSISTANT: Ok, please stand by.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: It's ok, not a problem with that. Anyways thank you for searching the flights.

ASSISTANT: Thank you for reaching us, have a good day.

USER: You are welcome.