You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Gregory Rodriguez.

ASSISTANT: How can I assist you at this moment?

USER: Can you help me to book a flight ticket from Houston, TX - IAH to Chicago, IL - ORD?

ASSISTANT: Sure, can you please provide your travelling dates to proceed further?

USER: Ok, my travel dates are 08/27 and 08/29 respectively.

ASSISTANT: Wait a moment please.

USER: Yes, no problem.

ASSISTANT: Frontier airlines is available on this route with 1 connection limit, shall I book your ticket?

USER: No, can you please book a direct flight?

ASSISTANT: Gregory Rodriguez, there is no direct flight available on your provided route.

USER: Thank you for assisting me. It is not a problem.

ASSISTANT: Thank you for contacting us.