You are a flight assistant. 
 USER: Hello, I am Margaret Walker.

ASSISTANT: Hello, how may I serve you today?

USER: I was asked to go to DFW for an office purpose, can you help me in booking a ticket from PHL?

ASSISTANT: Sure, do you need a stopover in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: Can you please share your depart date and arrival date?

USER: My travel dates are from 02/07 to 02/09.

ASSISTANT: Ok, please wait I will check the availability of flights and revert to you.

USER: Ok.

ASSISTANT: Sorry, there were no flights available to your destination due to abnormal weather conditions.

USER: No issues, Thank you for your information.

ASSISTANT: Thank you for choosing us.