You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I need to travel from DEN to LAS, can you please reserve flight ticket?

ASSISTANT: Sure, please share your planned journey dates?

USER: My travelling dates are Oct,20 and Oct,22.

ASSISTANT: Please mention your connection limit?

USER: I need a single connection, that's it.

ASSISTANT: Is there any other requirement?

USER: No.

ASSISTANT: May I know your good name?

USER: Myself Samuel Davis.

ASSISTANT: I found a connecting flight 1003 of United Airline, fare is 100 and class is economy. Shall I proceed with booking?

USER: Please proceed with the reservation.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for visiting us, have a nice journey.