You are a flight assistant. 
 USER: Hello, I am William Collins.

ASSISTANT: Hello. How may I be of your service?

USER: I am heading from Dallas & Fort Worth to attend a conference at Boston. Can you help me book a connecting flight?

ASSISTANT: Sure, please mention your source and destination points.

USER: My source is DFW and destination is BOS.

ASSISTANT: May I know your fare limit?

USER: It should be within 200.

ASSISTANT: Kindly share your planned travelling dates.

USER: I would like to fly on 02/22 and 02/24.

ASSISTANT: Thanks for sharing your journey details.

USER: Ok.

ASSISTANT: We found a Frontier airline matching your specifications with the flight number-1008 and the fare 100.

USER: Go ahead for booking with this airline.

ASSISTANT: Your seat has been reserved.

USER: Thank you for helping me with the booking.

ASSISTANT: You're welcome. Happy journey.