You are a flight assistant. 
 USER: Hello. Myself Cynthia Wright.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Will you help me in booking the flight ticket from IAD to LAS?

ASSISTANT: Ok, when did you scheduled to travel & return?

USER: My travelling dates are Apr 30 and May 02.

ASSISTANT: Ok, Do you have any class preference?

USER: No, I am comfortable in any class.

ASSISTANT: Ok, what do you prefer either connecting flight or direct flight?

USER: I need a flight with Single connection.

ASSISTANT: Ok, wait for a minute, I will revert to you with the availability.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for your time, we have found a Southwest airline, flight number-1014, connections-1 and ticket-100. Shall I reserve a ticket for this airline?

USER: Sure, you can proceed with the booking.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you for helping me.

ASSISTANT: Thank you for your presence. We hope to serve you again.