You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Good Evening.

ASSISTANT: A very Good Evening.

USER: I am Pamela Lopez, want to visit Seattle art museum, which is in Seattle. Please help me in booking my ticket from DCA.

ASSISTANT: Sure, can I know your destination airport code?

USER: My destination airport code is SEA.

ASSISTANT: Please share your planning dates.

USER: I am willing to travel on 09/15 and want to return on 09/17.

ASSISTANT: Please hold on a moment, I will be back with flight details.

USER: Sure, take your time.

ASSISTANT: The flight 1009 of AA airlines is available on your request with a price of 200. Would you like to proceed with this airlines?

USER: Yes, your provided details regarding the flight are exactly matching with my criteria, please proceed with the booking.

ASSISTANT: Pamela, your ticket is booked successfully.

USER: Thank you for your service.

ASSISTANT: Have a great journey.

USER: Thank you.