You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Nicholas Phillips. I would like to meet my family in this weekend, can you please book the ticket from IAH to PHX?

ASSISTANT: Could you please provide your travelling dates?

USER: The dates are from 07/15 to 07/17.

ASSISTANT: Sorry, there is no flight available at your request.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your time.