You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Ronald Roberts here.

ASSISTANT: Glad to meet you Roberts.

USER: Reserve a flight ticket for me that is from SEA to IAH.

ASSISTANT: Sure, may I know your travel dates please?

USER: My travel dates are 03/20 to 03/22.

ASSISTANT: Ok, hold on for a moment.

USER: Sure.

ASSISTANT: I found a flight for you with Delta airline and it costs you 200. Shall I proceed?

USER: Sure, you can book the flight ticket.

ASSISTANT: Your ticket has been booked with 1001 flight number.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us.