You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Lisa Smith.

ASSISTANT: How may I aid you?

USER:  I am very much exited to visit Ellenville Fault Ice Caves in New York, can you help me in booking a flight ticket?

ASSISTANT: Sure, when are you planning to travel?

USER: I will start my journey on 01/05. I will return on 01/07.

ASSISTANT: Help me with the airport codes?

USER: My source airport code is Dallas & Fort worth, TX - DFW. My destination is New York, NY - LGA.

ASSISTANT: We have found a direct flight to your destination. Shall I proceed?

USER: Do not proceed.

ASSISTANT: Ok, thank you for reaching us.

USER: Thank you for your kind information.