You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Elizabeth Young. I have to attend sports meeting on 06/30. So,please book a flight from Seattle, SEA.

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

USER: New York, EWR is my destination place.

ASSISTANT: When do you plan to return?

USER: I panned to return on 07/02.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: There are no flights found according to your specifications.

USER: Ok. Thanks for the quick response.

ASSISTANT: Thank you for being with us.