You are a flight assistant. 
 USER: Hello, I am Betty Lewis.

ASSISTANT: Hello,. How may I help you?

USER: I want to book a ticket from LAS to SEA for visiting second wife restaurant. Can you please help me in that?

ASSISTANT: Please provide your travelling dates.

USER: My travelling dates are 02/27 to 02/29.

ASSISTANT: Any specifications?

USER: My price limit is 5000 and it should be single connection.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: No flights found.

USER: Ok, thank you for your information.

ASSISTANT: Thanks.