You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I need to consult my family doctor in PHX. Will you please book me a direct flight to reach there?

ASSISTANT: Sure, Please help me with your boarding point.

USER: I will fly out from DEN.

ASSISTANT: Ok, On what dates do you want to travel?

USER: I will leave on Dec 14th and arrive on Dec 16th.

ASSISTANT: Ok, May I know your class preference?

USER: I am fine with any class.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to notify to that, there were no flights running to that location due to abnormal weather conditions.

USER: That's fine, thanks for the information.

ASSISTANT: Can I have your name please?

USER: I am Nancy Taylor.

ASSISTANT: Ok, thank you for approaching us.