You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Can you help me to reserve a flight ticket from ORD to DEN?

ASSISTANT: Sure, please mention your class preference.

USER: I am ok with any class.

ASSISTANT: Ok, please help me with your journey dates.

USER: My travelling dates are 18 and 20 of Aug.

ASSISTANT: Ok, Do you prefer direct flight or connected flight?

USER: I want a connecting flight.

ASSISTANT: Ok, please let me know your depart and return timings.

USER: I don't have any specific timing.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1000 American Airlines with a fare of 100. Can I proceed for booking?

USER: Please proceed.

ASSISTANT: Ok, May I know your name for booking purpose?

USER: I am Janet Allen.

ASSISTANT: Your ticket has been booked in economy class.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.