You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I'm planning to visit Chicago, can you book a ticket from SEA to ORD?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: My name is Emily Miller.

ASSISTANT: Please help me with your planned travelling dates.

USER: Sure, my planned departure and return travel dates are 1st and 3rd of March.

ASSISTANT: Do you need a break in your journey?

USER: I prefer direct flight.

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

USER: Yes, I want to return in the morning time and I prefer economy class.

ASSISTANT: Please allow me a minute.

USER: Sure.

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

USER: That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for understanding. Thank you for reaching us. Have a great time.