You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I aid you today?

USER: Please book a ticket from Seattle, WA-SEA to Philadelphia, PA-PHL. I am Linda Mitchell.

ASSISTANT: Sure, could you please mention if you need a connection?

USER: Connections limit is 1.

ASSISTANT: Let me know your travelling dates please.

USER: Departure is on 03/06 and 03/08 is return date.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. There are no flights found matching your request.

USER: Thanks.

ASSISTANT: Thank you for approaching us.