You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Janet Campbell from Phoenix. I would like to book a ticket to visit a new place at LAX. Can you please help me out to book a ticket from PHX?

ASSISTANT: Sure, may I know your planned travel dates to check for the flight availability?

USER: Thank you for your response, I want to departure on Feb 10 and book my return ticket also on Feb 12.

ASSISTANT: Do you have any specifications?

USER: I want 1 halt in between my journey.

ASSISTANT: Sorry, there are no flights available for your desired dates.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.