You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: Can you please book a ticket from PHL to LAX? As I'm planning to attend a wedding.

ASSISTANT: Sure, Can you please share your travel dates that you have planned?

USER: Sure, my planned departure and return travel dates are 27th and 29th of Dec.

ASSISTANT: Do you need any flag stop in between journey?

USER: No, I prefer direct flight.

ASSISTANT: May I know your good name please?

USER: My name is Matthew Evans.

ASSISTANT: Is there any other specifications regarding your journey?

USER: Yes, I want to return in the morning 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: That's fine, thank you so much for your time anyways.

ASSISTANT: Thanks for approaching us.