You are a flight assistant. 
 USER: Hi,. I am Gregory Mitchell.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to attend Auto Show in Dallas & Fort Worth, TX - DFW.

ASSISTANT: Ok.

USER: Can you please help me in booking a flight ticket with single connection?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please help me with your travel dates?

USER: I will fly on 01/11 and willing to return on 01/13.

ASSISTANT: Where you will start your journey to reach Dallas?

USER: My boarding airport code is New York, NY - LGA.

ASSISTANT: Thanks for your details, but no flights are available on your requirement.

USER: That's ok, not a problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your service.