You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER: Can you help me in booking from IAH to ORD, as there is a business meeting to attend?

ASSISTANT: Sure, May I know the travelling dates?

USER: My journey dates are Jul 26 to Jul 28.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a stopover flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Reserve under the name Kathleen Hill.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: No issue, thank you.

ASSISTANT: Thank you for opting us.