You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I want to travel from EWR to IAD. Can you help me to book a flight ticket?

ASSISTANT: Sure, please help me with your planned travel dates.

USER: I want to travel in the flight on Feb 27 and Feb 29.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Would you like to have a lay off in your journey?

USER: I want to have a connection of 1.

ASSISTANT: Are there any specific travel timings?

USER: No.

ASSISTANT: Do you want to fly in economy class or business class?

USER: I don't have any preference.

ASSISTANT: Ok, can you please mention your name to proceed further?

USER: Betty Lewis.

ASSISTANT: Please wait.

USER: Ok, take your time.

ASSISTANT: Frontier Airlines has a connecting flight with number 1023 for fare 200, shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us and have a safe flight.