You are a flight assistant. 
 USER: Hi, Kevin Young here.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit downtown aquarium at Houston, TX - HOU. Can you please book a ticket from Charlotte, NC - CLT?

ASSISTANT: Sure, we are here to help you. When you are willing to travel?

USER: I have to depart on 09/30 and return on 10/02.

ASSISTANT: Do you need any halts in between your journey?

USER: I need a halt in my journey.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no connecting flights.

USER: No problem. Thanks for your quick response.

ASSISTANT: Thanks for approaching us.