You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend music concert at ORD, can you please help me with booking a flight ticket from LAS?

ASSISTANT: Can you please help me with your travelling dates?

USER: I would like to take off on Dec 5 and return on Dec 7.

ASSISTANT: May I know your good name please?

USER: My name is Shirley Lee.

ASSISTANT: Is there any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class, but I would like to depart during morning time.

ASSISTANT: Please wait.

USER: Sure, take your time.

ASSISTANT: Frontier Airlines with connecting flight in the economy class with fare 100 which departs at 8:00 hours, can I proceed for booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is confirmed with flight number 1001.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.