You are a flight assistant. 
 USER: Hello, I am Jennifer Scott.

ASSISTANT: Hello, how may I be your helping hand?

USER: Can you help me for booking with a fare of 500?

ASSISTANT: Sure, I will. To reserve your ticket, let me know your airport codes.

USER: I would like to attend to my cousin marriage in New York, NY - LGA.

ASSISTANT: Ok. Help me with your travelling dates.

USER: So, I am heading from Chicago, IL - ORD. My travelling dates are on 12/10 to 12/12.

ASSISTANT: Unfortunately, we have no flights available due to having heavy rains.

USER: That's Ok, no problem.

ASSISTANT: Thank you for availing us.

USER: Thanks for your help.