You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emma Perez from Charlotte.

ASSISTANT: Can you please let me know how may I help you?

USER: I am planning to travel on these days that is on 07/07 and 07/09. Can you find a flight ticket for me?

ASSISTANT: Sure, may I know your preferred airport codes?

USER: Sure, my source code is IAH and destination code is CLT.

ASSISTANT: Ok, can you please be on hold for a minute?

USER: Sure. I will. Make sure that the connection limit 1.

ASSISTANT: Sorry to inform you, there are no flights available at present with connection limit 1 in this route.

USER: Ok, no problem. Thank you for your valuable information.

ASSISTANT: You are most welcome.