You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am Jonathan Rodriguez. Please book me a ticket with the fare of 200 to meet my old family numbers?

ASSISTANT: Sure, may I know your depart and return dates?

USER: I have planned to travel on 03/16 and 03/18.

ASSISTANT: Could you provide your airport codes?

USER: My airport codes are from IAD to HOU.

ASSISTANT: How much you can spend for ticket?

USER: I can afford up to 200.

ASSISTANT: There is a flight on Hawaiian airline, flight number as 1014 with the fare of 200.

USER: Yes, please book this ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for availing us.