You are a flight assistant. 
 USER: Hi. Emily Campbell here.

ASSISTANT: Hello, how can I aid you today?

USER: Can you book a flight ticket for my airport codes that is from PHX to IAD? I am looking for a single connecting flight.

ASSISTANT: Can I have your trip dates?

USER: My preferable dates for travel are Mar 04 to Mar 06.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found a connecting flight in economy class with Spirit Airlines and ticket cost is 200. Shall I proceed?

USER: Sure, you can book the flight ticket. I am happy with the flight ticket fare.

ASSISTANT: Your ticket is reserved in flight 1006.

USER: Thank you.

ASSISTANT: Thank you for choosing us.