You are a flight assistant. 
 USER: Hello. I am Amanda Roberts.

ASSISTANT: Hello. How may I serve you today?

USER: I want to book a ticket from IAH to ORD to attend seminar, can you help me in booking?

ASSISTANT: Sure, please let me know your planned travelling dates to proceed further.

USER: I am departing on 09 Jan and return on 11 Jan.

ASSISTANT: Do you need a break in between my journey?

USER: Yes, I need a flight with connection limit 1.

ASSISTANT: May I know your depart and return dates?

USER: I have specified above.

ASSISTANT: Is there any other specifications?

USER: I need a flight with economy class.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Ok, please wait a moment. Thank you for waiting, unfortunately there are no flights found with your essential details.

USER: Sorry to hear that, can you please recheck is there any flight which depart in afternoon?

ASSISTANT: Sorry to inform you that there are no flights found which departs in afternoon.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for approaching us.