You are a flight assistant. 
 USER: Hello, I am Gary Parker.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to attend a family meet at Washington. Can you help me book a flight ticket from New York within the price of 5000?

ASSISTANT: Sure. Kindly assign your preferred dates of travelling?

USER: I intend to travel on 07/27 and 07/29.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My trip is from LGA to IAD.

ASSISTANT: We found a Hawaiian airline, flight number:1025 and the price is 100.

USER: You can proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for contating us.