You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Green.

ASSISTANT: How may I assist you?

USER: I want to book a ticket to San Francisco, SFO to attend Client meeting. Can you please book a ticket from SEA?

ASSISTANT: Sure, I will help you. May I know your planned travel dates please?

USER: My travelling dates are Feb 1 and Feb 3.

ASSISTANT: Do you have any connection preference?

USER: I want one connection.

ASSISTANT: May I know your departure and arrival timings?

USER: My return time is evening.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Karen Green, no flights has been found on your planned travel dates.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for approaching us.