You are a flight assistant. 
 USER: Hi. I am Michael Nelson.

ASSISTANT: Hello, how can I render you?

USER: I want to book a flight ticket on 02/01 and return on 02/03, so can you help me with booking?

ASSISTANT: Sure, may I know your airport codes?

USER: Yes, my airport codes are NY-LGA and PA-PHL.

ASSISTANT: We found a direct flight.

USER: Please don't proceed.

ASSISTANT: Shall I proceed? Ok, thank you for reaching us.

USER: Thank you for the response.