You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit Seattle, can you please book me a ticket from IAD to SEA?

ASSISTANT: Please mention your travel dates.

USER: My preferable journey dates are from 04/26 to 04/28.

ASSISTANT: May I know your good name?

USER: My name is James Martinez.

ASSISTANT: Delta airlines with flight number 1015 is available for you.

USER: That's ok for me, please reserve my ticket with this flight.

ASSISTANT: Your ticket is confirmed with 1 connection flight.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.