You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Cynthia Harris. I want to book a ticket from LAX to SEA, can you help me?

ASSISTANT: Sure, may I know your preferred dates of travel?

USER: My travel dates are Feb 25 and 27.

ASSISTANT: Do you have any specifications?

USER: I want to travel in economy class only.

ASSISTANT: Ok, please wait a minute.

USER: I want to return in the morning.

ASSISTANT: Sorry to say that there were no flights found on your route.

USER: No problem, thanks for checking.

ASSISTANT: Thank you.