You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Myself Deborah Martinez. I am looking for a flight from SEA to PHL, can you help me in booking the flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my planned travel dates are Nov 09 and Nov 11.

ASSISTANT: Do you need any specifications for this booking?

USER: I am looking for a direct flight.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there are no flights running on your route.

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

ASSISTANT: Thank you for choosing our service.