You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Catherine King. I have planned to attend Cricket match in Denver, so I need to book a ticket. Can you help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your source point and destination point?

USER:  I need to leave from my nearest airport JFK to reach DEN.

ASSISTANT: Let me know when you are willing to travel?

USER: I want to travel on 11/05, and need to catch return flight on 11/07.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your detsils.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thanks for approaching us.