You are a flight assistant. 
 USER: Hi. I am Debra Thomas.

ASSISTANT: Hello. How may I assist you today?

USER: Can you book a flight ticket from BOS to PHX for attend an interview?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are from July 27 to July 29.

ASSISTANT: May I know your budget limit for this trip?

USER: I can bare up to 1000.

ASSISTANT: Do you have any requirement in connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please hold a moment, let me check best flights for your journey.

USER: Sure.

ASSISTANT: There is a flight with single connection and the price is 200, can I reserve flight ticket?

USER: Ok, please reserve it.

ASSISTANT: Your ticket has been reserved with the flight number 1002 in Frontier airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.