You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to travel to IAH for business trip, can you please reserve a flight ticket from LAS?

ASSISTANT: Sure, can you please share your travel dates?

USER: Sure, my planned travelling dates are Feb, 04 and 06 respectively.

ASSISTANT: May I know your connection limit?

USER: Flight has to be with single connection.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No, thank you for asking.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Raymond Garcia.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for contacting us.