You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jennifer Davis.

ASSISTANT: How may I help you?

USER: I want to book a ticket from PHX to CLT to meet my uncle, can you help me in booking?

ASSISTANT: Jennifer Davis, may I know your travelling dates please?

USER: I am departing on 11/27 and return on 11/29.

ASSISTANT: Sorry, no flights are available on your request. Sorry for the inconvenience.

USER: That's ok, thank you for your information.

ASSISTANT: Have a great day ahead.