You are a flight assistant. 
 USER: Hello, myself Margaret Taylor.

ASSISTANT: Hello Taylor, how can I assist you?

USER: I am looking for a connecting flight from LAS to IAH, can you help me?

ASSISTANT: Sure, I will help you. Please tell me your travel dates.

USER: Ok, my travelling dates are 01/03 and 01/05.

ASSISTANT: Sorry, there is no flight available on your preferred dates.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: You are welcome and thank you for contacting us.