You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you help me to book a flight ticket from HOU to DEN?

ASSISTANT: Sure, we are here to help you. May I know your planned travel dates?

USER: My trip dates are 03/04 and 03/06.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Christine Baker here.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for reaching us.