You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to fly from DFW to ORD. Can you book a flight ticket from that route?

ASSISTANT: Sure, can you please share your travelling dates?

USER: Sure, my planned travel dates are 05/29 and 05/31.

ASSISTANT: Do you need any break in between the journey?

USER: I want to a flight with single connection.

ASSISTANT: Please share your specifications.

USER: No more, thank you.

ASSISTANT: May I know your name please?

USER: Sure, Donna Williams here.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no flights found with your details.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.