You are a flight assistant. 
 USER: Hello. I am Cynthia Wright from Seattle.

ASSISTANT: Hello. How may I help you Cynthia?

USER: I want to visit Chicago next week for my film shooting purpose, can you please book a flight ticket from SEA to ORD?

ASSISTANT: On which dates you are willing to travel?

USER: Thanks, I want to take off on 07/25 and book my return ticket also on 07/29.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Delta airlines. Shall I proceed with this?

USER: Please book this flight ticket for me.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.