You are a flight assistant. 
 USER: Hello. I am Eric Lee.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you help me to book a flight ticket from Washington, IAD to Atlanta, ATL?

ASSISTANT: Sure, we are euphoric to help you.

USER: Thanks.

ASSISTANT: Can you please mention your connection limit?

USER: Ok, I need a single connection flight.

ASSISTANT: When would you like to make your journey?

USER: I am planning my journey from 12/13 to 12/15.

ASSISTANT: Ok, just wait for a moment.

USER: Sure.

ASSISTANT: We found a connecting flight with Frontier airlines, flight number 1005 and the fare of  300. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a nice journey.