You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: My name is Debra Edwards. I want to book a flight ticket from IAD to PHL. Please help me in booking a flight ticket.

ASSISTANT: Sure, I am glad to help you in booking process and can you please share your journey dates for better search?

USER: Sure, my trip dates are from 04/25 to 04/27.

ASSISTANT: Is there any class that you need in your journey?

USER: I am comfortable with any class.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: I found a flight with a fare of 200 and there is a 2 halt in your journey and the flight number is 1019 in Spirit airlines, shall I proceed with ticket booking?

USER: Please do not proceed. I need one halt in my journey.

ASSISTANT: There is a 1 halt flight in UA airlines, can I proceed?

USER: Sure please proceed.

ASSISTANT: Ok, your flight ticket booking is done in 1021 flight to reach your location.

USER: Thank you for booking.

ASSISTANT: You are most welcome and have a happy journey.