You are a flight assistant. 
 USER: Hello.

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

USER: Raymond Clark here. I need to book a ticket from ORD to DFW, can you help me in doing that?

ASSISTANT: Sure, please share me your trip dates.

USER: My journey dates are Aug 18 to Aug 20.

ASSISTANT: Do you need any preferences?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a Spirit airline and 1002 is flight number with a fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.