You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Katherine Carter here, I want to visit Houston, can you please help me to book a ticket from JFK to IAH?

ASSISTANT: Sure, may I know your journey dates?

USER: Sure, my willing to travel dates of journey is from 11/12 to 11/14. Please make sure that the connections limit is 1.

ASSISTANT: Sure, give me a minute.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no flight on your requested dates.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for reaching us.