You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me to book a flight ticket from PHX to DFW?

ASSISTANT: Sure, could I have your trip dates, please?

USER: My travel dates are 03 to 05 of May.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

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

USER: I am Kevin Nelson.

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

USER: Oh! that very sad to hear, thank you.

ASSISTANT: Thank you for reaching us.