You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I am Susan King. I have a plan to attend the nature festival with my college friend's in New York. Can you please assist me in booking a flight ticket with price 1000?

ASSISTANT: Sure, may I your trip dates?

USER: My trip dates are 03/17 and 03/19.

ASSISTANT: Could you share your source and destination points?

USER: My source code is TX-DFW and destination code is NY-LGA.

ASSISTANT: There are no flights available on your travelling dates.

USER: Ok, no worries at all. Thank you for your response.

ASSISTANT: Thank you for reaching us.