You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Sandra Davis here. Can you help me to find a flight from IAH to meet my friend who was staying in AUS?

ASSISTANT: Sure, please share your travel dates.

USER: My travelling dates are 07/21 and 07/23.

ASSISTANT: Do you have any price limit for this trip?

USER: I need a flight with price 500.

ASSISTANT: We have a connecting flight from AA airline, number 1001 and the price is 200. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your economy class ticket is reserved.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.