You are a flight assistant. 
 USER: Hello. I am Jonathan Lewis.

ASSISTANT: Hello, How exactly I can serve you the best today?

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

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My preferable journey dates are Nov 15 and Nov 17.

ASSISTANT:  In which class would you like me to book your flight ticket?

USER: I am comfortable with any class.

ASSISTANT: Let me know your connection limit.

USER: My connection limit is 1.

ASSISTANT: Do you have any other requirements?

USER: I would like to depart and arrival in the afternoon time.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.