You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to travel from LAX to SEA. Can you please help me with the booking?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I want to depart on June 20 and intend to return on June 22.

ASSISTANT: Let me know your name?

USER: Kevin Green here.

ASSISTANT: Do you have any requirements?

USER: My depart time must be in the afternoon.

ASSISTANT: Can I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Sorry to say, no flight is available for you.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.