You are a flight assistant. 
 USER: Hi, Kathleen Davis here.

ASSISTANT: Hello, how may I help you today?

USER: I need to visit to Chicago to attend my granddad memorial service on 09/14. Can you make a reservation with fare 5000?

ASSISTANT: Sure, can I have your source and destination airport codes please?

USER: Sure, I am leaving from IAH to ORD.

ASSISTANT: Please provide your return date?

USER: Sure, I need to return on 09/16.

ASSISTANT: Do you need any connection limit?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Sure.

ASSISTANT: Unfortunately we have direct flight on that route.

USER: Ok, no worries at all.

ASSISTANT: Ok.

USER: Thanks for your assistance.

ASSISTANT: Thanks for choosing us.