You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brandon Smith here.

ASSISTANT: In which way I can help you today?

USER: I need your help in booking of flight ticket from IAD to ORD, can you please help me out?

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Can you please mention your travel dates for booking flight ticket?

USER: Sure, I am planning to leave on 12/27 and please book my return ticket on 12/29.

ASSISTANT: Please give me a moment, I will check flight availability in this route.

USER: Sure, take your time.

ASSISTANT: Based on your information, Frontier airline is ready to serve you with 1 connection with a minimum fare of 200 is available for you. Shall I confirm this flight ticket for you?

USER: Please proceed.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1014.

USER: Thank you for your help.

ASSISTANT: You are welcome.