You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I need to travel from IAD to ORD, can you help me?

ASSISTANT: Sure, when are you willing to travel?

USER: My travel dates are 02/09 and 02/11.

ASSISTANT: May I know your good name please?

USER: I am Gregory Johnson.

ASSISTANT: Do you have any preferences for this trip?

USER: I need a connecting flight.

ASSISTANT: We found a flight in an airline Frontier with 1000 number having a single connection in an economy class. Shall I proceed to book?

USER: Yes, proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for that.

ASSISTANT: Thank you for reaching us.