You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please reserve me a flight ticket from DCA to DEN?

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

USER: My trip dates are 04/29 - 05/01.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: My depart time should be in the afternoon.

ASSISTANT: May I know your good name?

USER: Angela Thomas here.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found an airline: JetBlue, flight number: 1022 and price is 100 with one connection.

USER: Please reserve.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.