You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I best serve you today?

USER: I want to reserve my ticket from DCA to CLT, can you please help me in booking my ticket?

ASSISTANT: Sure, please share me your trip dates.

USER: Sure, my preferable dates of journey are from Jan, 12 to Jan, 14.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Sure, my name is Margaret Young.

ASSISTANT: Do you need direct flight or connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Is there any class preferences for you?

USER: No, I am ok with any class preference.

ASSISTANT: May I know your airline specification?

USER: I am ok with any airline preference.

ASSISTANT: We found a Southwest airline and 1008 is flight number with a fare of 100. Shall I proceed?

USER: Ok, please proceed with this booking.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for opting us.