You are a flight assistant. 
 USER: Hello. I am Janet Clark.

ASSISTANT: Hello, How can I serve you?

USER: Can you please help me in booking a flight ticket from HOU to ORD to attend a business meeting?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your journey dates?

USER: I have to depart on Oct 30 in the evening time. Please, reserve me a return ticket in the evening time on Nov 01.

ASSISTANT: Do you have any preferences?

USER: Price should not exceed 1000.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There are no flights available to your destination in the evening time.

USER: It's ok, I will check with another agency.

ASSISTANT: Ok.

USER: Thank you for your response.

ASSISTANT: Thank you.