You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Will you help me in reserving a seat to New York with a fare of 5000?

ASSISTANT: Sure, we can help you at your comforts. May I know your travel dates?

USER: Thank you, my trip dates are 03/30-04/01.

ASSISTANT: Ok, help me with your preferred airport codes so that I can check a flight for you?

USER: Sure. I will fly from Oakland, OAK. My destination is New York, JFK to go for Byrant Park.

ASSISTANT: Ok, may I know your name?

USER: I am Carolyn White.

ASSISTANT: Sorry to inform you, no flights are running on your desired route.

USER: Ok.

ASSISTANT: Thanks for reaching us, have a nice day.

USER: Thanks for the quick response.