You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to attend meeting in DFW. Can you help me in booking flight ticket from SEA?

ASSISTANT: Sure, I will help you. Please help me with your planned travelling dates.

USER: My trip dates are July 22 to July 24.

ASSISTANT: Do you need a break in your journey?

USER: I prefer to travel in connecting flight.

ASSISTANT: Please help me with your name.

USER: Barbara Hill.

ASSISTANT: Do you have any other preferences in your journey?

USER: My depart should be in the morning and return in the afternoon.

ASSISTANT: Please allow me a minute.

USER: Ok.

ASSISTANT: Barbara Hill, I am really sorry to inform you that there are no flights available for your journey.

USER: Ok, no problem. Thank you.

ASSISTANT: You are welcome. Thank you for reaching us. Have a great time.