You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to attend a Seminar in Austin. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am here to help you with that. Could you please tell  me your travel dates?

USER: My travelling dates are Aug 20 and Aug 22.

ASSISTANT: What are your origin and destination airport codes?

USER: My airport codes are HOU and AUS.

ASSISTANT: Ok, please tell me your full name.

USER: My name is John Parker.

ASSISTANT: Which class do you prefer to travel?

USER: I am comfortable with any class.

ASSISTANT: Ok, please share your connection limit preference.

USER: I prefer single connecting flight.

ASSISTANT: There is a flight-1000 which is having a connection limit one and the ticket cost is 100. Shall I reserve an economy class ticket?

USER: Please proceed.

ASSISTANT: I have reserved your ticket in the Frontier Airlines. Have a nice journey.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.