You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Karen Gonzalez. Please book a ticket from ORD to IAH to meet my family friend.

ASSISTANT: Sure, to book a ticket can I know your travelling dates please?

USER: My travelling dates are Mar 5 and Mar 7.

ASSISTANT: Do you need any connection in between journey?

USER: Yes, I want one connection.

ASSISTANT: At which time you would like to start and end your journey?

USER: My return time is morning.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Unfortunately there are no flights are running on your route according to your given dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for availing us.