You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: I want to book a flight ticket to meet my cousin at Washington, can you help me with booking a connecting flight?

ASSISTANT: Sure, your travelling dates please?

USER: My depart date is Apr 22 and arrival date is Apr 24.

ASSISTANT: Your airport codes please?

USER: I will fly from CLT to reach DCA.

ASSISTANT: Do you have any specifications?

USER: My depart time is morning.

ASSISTANT: Any thin else?

USER: No.

ASSISTANT: May I know your name please?

USER: I am James Turner.

ASSISTANT: I am sorry no reservation found on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.