You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Elizabeth Campbell.

ASSISTANT: Yes, Campbell.

USER: I want to attend an event in San Francisco.Can you help me to book a ticket from PHX to SFO?

ASSISTANT: Sure, may I know your travel dates please?

USER: I want to travel on 02/01 and 02/03.

ASSISTANT: As per your details, there are no flights available for you.

USER: Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Happy with your quick response.