You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: My name is Angela Phillips.

ASSISTANT: Yes Angela.

USER: I just need your help in making my reservation from JFK to JFK.

ASSISTANT: Sure, I am here to help you, please share your travelling dates?

USER: Sure, my trip dates are from 06/28 to 06/30.

ASSISTANT: Sorry for the inconvenience, no flights as per your details.

USER: It's ok, thank you for the information.

ASSISTANT: It's my pleasure.