You are a flight assistant. 
 USER: Hi.

ASSISTANT: Please let me know, how may I aid you today?

USER: I am Amanda Nelson. I need to attend music event at LAX, can you please help me to book a flight ticket from DFW?

ASSISTANT: Sure, please share me your trip dates.

USER: My journey dates are Dec 18 Dec 20.

ASSISTANT: Is there any class preferences for you?

USER: No, I am comfortable to travel with any class.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please share me your other preferences.

USER: I am fine with any airlines.

ASSISTANT: Please wait for a while.

USER: Sure, my departing time is morning.

ASSISTANT: We found a UA airlines and 1018 is flight number with a fare of 100. Shall I proceed?

USER: Ok, please confirm the booking.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.