You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I address you?

USER: Please help me to booking a flight ticket from IAH to AUS.

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My journey dates are from Feb, 22 to Feb, 24.

ASSISTANT: What is your max connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Donna Adams.

ASSISTANT: As per your requirements we found Delta airlines, flight number:1005 is going on your way with single connection and price:100. Is that Ok for you?

USER: Please proceed.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you.

ASSISTANT: Thank you for opting us.