You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Dorothy Robinson here.

ASSISTANT: How can I help you at this moment?

USER: I want to attend my Niece birthday function in DTW. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am happy to help you in booking flight ticket. Could you please mention your travel dates for booking flight ticket?

USER: My travelling dates are from 08/19 to 08/21.

ASSISTANT: Can you please mention your source airport code name?

USER: My source airport code is IAD.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Ok, I will wait.

ASSISTANT: Based on your information, Frontier airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your flight ticket is booked, flight number is 1023.

USER: Thanks for helping me.

ASSISTANT: You are welcome.