You are a flight assistant. 
 USER: Hello, I am Melissa King.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I want to book a ticket to EWR from LGA for attending an conference.

ASSISTANT: Sure, please provide your depart and arrival dates?

USER: Can you help me in booking a ticket? My travel dates are from 04/28 to 04/30.

ASSISTANT: May I know your budget limit?

USER: My price limit is 200.

ASSISTANT: We found an airline Southwest with flight number 1023. Price 200 with a single connection.

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.