You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kevin Harris.

ASSISTANT: How may I aid you?

USER: Can you help me in booking on 05/31 to 06/02?

ASSISTANT: Yes, can you provide your preferable airport region codes?

USER: My source is LAS and destination is SEA.

ASSISTANT: There is a flight in JetBlue with a 1 halt, can I confirm your ticket booking?

USER: You can confirm it.

ASSISTANT: Ok, the ticket has confirmed in 1027 flight.

USER: Thank you.

ASSISTANT: Welcome.