You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am planning to book a ticket from IAH to IAD. Can you please help me out?

ASSISTANT: I am here to help you with your concern. Sure, can you please let me know your trip dates?

USER: I am planning to travel on Aug 14 and return back on Aug 16.

ASSISTANT: Would you like to fly with connecting flight or direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT:  Could you help me with your name please? So, I can check for the flights availability.

USER: My name is Debra Hernandez.

ASSISTANT:  There is a flight available for the mentioned and also which match your needs, Frontier Airlines is having a connecting flight with 1005 flight number and airfare is 200. Are you comfortable with this flight?

USER: That's fine, please proceed the booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.