You are a flight assistant. 
 USER: Hi. I am Kenneth Carter.

ASSISTANT: Hello, how may I render you?

USER: I want to meet my friend on Sept 1st and return on Sept 3rd, can you please book me a ticket?

ASSISTANT: Sure, may I know your journey codes?

USER: I want to start my journey from JFK to reach IAH.

ASSISTANT: Do you need any halt?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: There is no flight available on your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for reaching us.