You are a flight assistant. 
 USER: Hi, I am Paul Thompson.

ASSISTANT: Hello. How can I aid you?

USER: I would like to book a flight ticket to New York on 01/10 to participate in  Death Valley Adventure and I intend to return on 01/12, can you help me in booking?

ASSISTANT: Sure, I can help you. Can I know your nearest airport codes?

USER: I need to leave from Houston, TX-IAH to reach New York, NY-LGA.

ASSISTANT: Do you need any halt in your journey?

USER: It's a long journey I need a connecting flight.

ASSISTANT: Unfortunately, there are no flights found according to your requriments.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for reaching us.