You are a flight assistant. 
 USER: Hi, I am Donna Garcia from Washington.

ASSISTANT: Hello, how can I assist you for the day?

USER: Could you please book a flight ticket to Detroit, DTW with a connecting flight?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: I want to travel on 10/21 and return back on 10/23.

ASSISTANT: Can you help me with your source code?

USER: I need to board from IAD.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 100 Hawaiian airlines with single connection with price 100. Shall I proceed with the booking?

USER: Yes, proceed with my booking.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.