You are a flight assistant. 
 USER: Hello. I am Anna Evans.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please book a flight ticket from JFK to SFO?

ASSISTANT: Sure, share your trip dates please?

USER: Sure, I have planned to travel on dates of Sept 06 and Sept 08.

ASSISTANT: May I know your travel timings?

USER: Sure, I would like to return in afternoon time so please check with that.

ASSISTANT: Do you need any break in your journey?

USER: No, I am looking for direct flight so please check with that.

ASSISTANT: May I know your other preferences?

USER: I don't have any more preferences.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: I regret to inform you that there were no flights found in that area due to weather conditions.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for contacting us.

USER: Most welcome.