You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to go Phoenix for a shopping. Can you help me to book a flight ticket?

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

USER: My journey dates are 11/28 and 11/30.

ASSISTANT: Can you please let me know your airport codes?

USER: My airport codes are CLT-PHX.

ASSISTANT: May I know your good name please?

USER: I am Timothy Scott.

ASSISTANT: Thank Timothy Scott, unfortunately there is no flight on your on your details.

USER: No problem, Thank you. I will check with another airline.

ASSISTANT: Thanks for picking us.