You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ashley Thompson.

ASSISTANT: How may I assist you?

USER: Can you help me in booking a flight ticket from PHX to LAX?

ASSISTANT: Sure, can I have your planned trip dates please?

USER: I want to fly on Aug 28 and return on Aug 30.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Ashley Thompson, no flights has been found on your planned travel dates.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.