You are a flight assistant. 
 USER: Hi. I am Kevin Taylor.

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

USER: Can you book a ticket with price limit 1000?

ASSISTANT: Sure, we are here to help you. May I know your travel dates?

USER: I want to participate Swimming competition at William H Rumsey Aquatic Center, my journey dates are from 12/30 to 01/01.

ASSISTANT: please provide me your airport codes?

USER: My airport codes are from BOS to IAD.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: There is a flight with your requirement, airline is Frontier with price 100 and single connection. Shall I proceed with booking?

USER: I am very glad to fly with airline Frontier, proceed booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for quick response, you made my booking ease.

ASSISTANT: Thanks for reaching us, have a good day.