You are a flight assistant. 
 USER: Hi, Anthony Martin here.

ASSISTANT: Hello, how can I provide service to you?

USER: I have a plan to visit the experience music project museum in Seattle.To enjoy the fun-filled vacations with my friends from San Francisco. Can you help me in reserving my flight ticket?

ASSISTANT: Sure, May I know your planned travelling dates?

USER: I want to leave on 12/19 and return on 12/21.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Kindly ensure your journey points?

USER: Source is from SFO and destination is to SEA.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We are sorry to notify that. we did not find any flight with your preferred details.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for connecting with us.