You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am James Lewis.

ASSISTANT: How may I help you?

USER: I need to attend an auto mobile workshop in ATL. Can you book me a ticket from IAD?

ASSISTANT: Sure, let me know your travel dates please?

USER: I would leave on Jan 4th and arrive on Jan 6th.

ASSISTANT: Do you have any specific arrival and depart timings?

USER: I need to depart in the morning.

ASSISTANT: May I know your connection limit?

USER: I need single lay over.

ASSISTANT: Ok, is there any class preference?

USER: I am fine with any class.

ASSISTANT: Do you have any airline preference?

USER: No, I am comfortable with any airline.

ASSISTANT: Frontier airlines is providing connecting flight with the ticket fare of 100 and depart time is 06:00 AM, arrival time is 08:00 AM. Shall I proceed?

USER: Fine, please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1025 and an economy class.

USER: Thanks for your support.

ASSISTANT: Thanks for choosing us.