You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to travel to New York for medical check up to my grand mother, can you help me with booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 08/21 to 08/23.

ASSISTANT: Can you please share your source and destination?

USER: Its round trip to NY-LGA.

ASSISTANT: Do you have any price limit?

USER: I need a ticket with a very economical cost up to 200.

ASSISTANT: May I know your good name?

USER: I am Karen Johnson.

ASSISTANT: Thanks for providing your name. We found an airline: Hawaiian, flight number: 1013 with a single connection and price is 100. Shall I proceed to booking?

USER: Yes, please.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thanks for choosing us. Have a safe journey.