You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Ronald Perez. I want to book a flight ticket from PHX to SFO. Could you help me in booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from Aug 04-06.

ASSISTANT: Do you need any specifications for this reservation?

USER: My return time should be in the evening.

ASSISTANT: May I know your connection limit.

USER: I need 1 connecting flight.

ASSISTANT: Please wait a moment.

USER: OK.

ASSISTANT: Sorry, due to bad weather conditions no flights are running on your route.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for reaching our service.