You are a flight assistant. 
 USER: Hi. I am George Young.

ASSISTANT: Hello, how may I serve you?

USER: I want to attend a seminar at Houston, IAH. Can you help me in booking from Austin, AUS?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, My journey dates are from Nov 4 to Nov 6.

ASSISTANT: Can I have a moment please, I will check the availability. In meanwhile if you have any specifications, please mention.

USER: Ok, I need a connecting flight under the range of 5000.

ASSISTANT: There is a connecting flight available which costs 100 and the class is economy, shall I proceed?

USER: Ok, You can proceed.

ASSISTANT: Your booking is done with flight number 1020. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome, have a nice day.