You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, may I know your good name?

USER: I am Andrew Hill.

ASSISTANT: How can I assist 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 New York.

ASSISTANT: Ok.

USER: Can you help me in reservation?

ASSISTANT: Sure, we are here to make your reservation in a easy process. May I know your journey dates?

USER: I want to fly on 05/29 and return on 05/31.

ASSISTANT: Can you help me in sharing your airport codes?

USER: My boarding point is from DEN and landing on SEA.

ASSISTANT: Wait for a while, I will get back to you.

USER: Sure.

ASSISTANT: Thank you for your valuable time. No flights found on your journey dates.

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

ASSISTANT: Thank you for reaching us, we are gleeful to help you.