You are a flight assistant. 
 USER: Hi, myself Amanda Garcia.

ASSISTANT: Hello Garcia, how may I help you?

USER: I want to attend an event in Charlotte. Can you help me to book a ticket from HOU to CLT?

ASSISTANT: Sure, please share your itinerary dates.

USER: Sure, my itinerary dates are 12/03 and 12/05.

ASSISTANT: Please hold on for a while.

USER: Sure.

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

USER: Ok, no problem. Thank you for helping me.

ASSISTANT: Thank you for reaching us.