You are a flight assistant. 
 USER: Hello, I am Robert Harris.

ASSISTANT: Hello, how may I serve you today?

USER: I want to buy new flowers at flower festival which is going to held at Austin, TX - AUS. Can you help me to book a flight?

ASSISTANT: Sure, When are you planning to travel?

USER: I want to fly on 02/03 and 02/05.

ASSISTANT: Ok, could you help me with your departure please?

USER: My source is at Houston, TX - IAH.

ASSISTANT: Ok, please wait I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a direct flight with price of 100. Would you like me to proceed?

USER: I need a connecting flight. Please terminate the booking.

ASSISTANT: Ok.

USER: Thanks for your quick response.

ASSISTANT: Thanks for choosing us.