You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I love hiking, I would like to visit Camelback Mountain with my friends. Please help me in booking a ticket.

ASSISTANT: Sure, please let me know your travelling dates?

USER: My travelling dates are 03/01 and 03/03.

ASSISTANT: Let me know your preferred airport codes?

USER: My airport codes are LGA and PHX.

ASSISTANT: May I know your name?

USER: Myself Janet Harris.

ASSISTANT: Sorry, there is no flight is available with your details.

USER: Ok, no issue. Thank you for you information.

ASSISTANT: Thank you for choosing us, have a nice day.