You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Please assist me in booking a flight ticket from PHX to CLT.

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from Dec 29th to Dec 31st.

ASSISTANT: Is there any connection limit?

USER: I prefer maximum number of one connection in my journey.

ASSISTANT: Do you have any other preferences?

USER: I prefer not to travel in low-cost airline.

ASSISTANT: May I know your name?

USER: I am Amy Davis.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, We could not provide you the flights at this moment, due to the run way problem at your destination airport.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.