You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Barbara Clark.

ASSISTANT: How may I help you today?

USER: I am planning to book a flight ticket to DCA from LGA, can you please be a helping hand in making my reservation?

ASSISTANT: To make a plane reservation, can you please share me your budget for flight ticket?

USER: My fare is 5000.

ASSISTANT: May I know your departure and arrival dates please?

USER: My trip dates are Feb 26 to Feb 28.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: We found a flight with an airline Hawaiian of flight 1020 and cost is 100.

USER: You can book it.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.