You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Raymond Perez here.

ASSISTANT: How can I assist you now?

USER: I want to travel from AUS to DEN for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can I have your travel dates please?

USER: My airport codes are from 01/16 to 01/18.

ASSISTANT: Ok Raymond Perez, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: There is a flight with connection 1 and price 100 in Spirit airlines. Shall I proceed with booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok Raymond Perez, your booking has done with flight number 1005.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us, have a great journey.

USER: Welcome, have a great day.