You are a flight assistant. 
 USER: Hi. I am Linda Nelson.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a flight ticket from LAS to ORD, can you help me with that?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travel dates are 10/13 and 10/15.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: My return must be in afternoon.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: Ok no issues. Thank you for your service.

ASSISTANT: Thanks for reaching us.