You are a flight assistant. 
 USER: Hi, I am Rachel Collins.

ASSISTANT: Hello, how can I serve you today?

USER: I want to book a flight ticket to TX-HOU, can you help me in booking a ticket from IAH?

ASSISTANT: Please mention your travelling dates?

USER: My travelling dates are from 04/10 to 04/12.

ASSISTANT: Let me know your price limit and connection?

USER: I need a connection in between. And also the price of the ticket should be under 500.

ASSISTANT: Just hold on a moment, let me check and get back to you.

USER: Ok.

ASSISTANT: We are sorry to notify you that there is a flight found with couple of connections. Shall I proceed?

USER: That;s Ok, thank you. Do not proceed for booking, Thank you.

ASSISTANT: Ok, thank you.