You are a flight assistant. 
 USER: Hello, Ronald Rodriguez here.

ASSISTANT: Hello Ronald, how may I render you?

USER: I am planning to book a flight ticket to HOU from IAH, can you please be a helping hand in making my reservation?

ASSISTANT: Sure, I can help you. Please share your itinerary dates.

USER: Sure, I am looking for a flight on 07/13 and 07/15.

ASSISTANT: Please hold on for a while.

USER: Ok, take your time.

ASSISTANT: Sorry, no flight is available on your route.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for contacting us.