You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Rachel Carter here. I want to book a ticket from ORD to OAK, can you help me in doing that?

ASSISTANT: Sure, I will help you in booking. Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any airline preference?

USER: No, please go ahead.

ASSISTANT: When you are willing to arrive and depart?

USER: My journey dates are 06/01 to 06/03.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: We found a connecting flight with an airline Frontier of flight 1014 and price is 100 in an economy class. Can I confirm your booking?

USER: Please proceed with booking.

ASSISTANT: Your seat has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.