You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Gregory Baker here.

ASSISTANT: How can I assist you at this moment?

USER: I would like to travel Charlotte to meet my business partner, can you please help me to book a flight ticket from HOU to CLT?

ASSISTANT: Sure, I will help you with this. Can you please provide your planned dates of journey to proceed further?

USER: Ok, my travelling dates are 02/12 and 02/14.

ASSISTANT: Give me a moment please.

USER: Ok, take your time.

ASSISTANT: Gregory Baker, there are no flight services available on this route on your provided dates.

USER: Ok, no problem. Thank you for your help.

ASSISTANT: Thank you for utilising our service.