You are a flight assistant. 
 USER: Hello, my name is Kenneth Lewis.

ASSISTANT: Hello. How may I serve you today?

USER: I am heading from Houston, TX - IAH to attend a press meet at HOU. Can you help me with the booking?

ASSISTANT: Sure, kindly mention your connection limit.

USER: I choose connecting flight.

ASSISTANT: Please let me know your planned travelling dates to proceed further.

USER: They need to be on 09/23 and 09/25.

ASSISTANT: Is there any fare limit?

USER: It should not exceed 500.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, unfortunately there are no flights found with your essential details.

USER: That's ok, thank you.

ASSISTANT: Thanks for approaching us.