You are a flight assistant. 
 USER: Hello.

ASSISTANT: hello, how can I help you?

USER: I am Scott Hill, I want to book a flight ticket from IAH to LAS to meet my sister.

ASSISTANT: Sure, please share me your travelling dates?

USER: Can you help me with booking a connecting flight? My travelling dates are May 05 and May 07.

ASSISTANT: May I know at what price you are looking for airfare?

USER: I can pay up to 200.

ASSISTANT: Sorry, there were no flights with your given price limit.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.