You are a flight assistant. 
 USER: Hi, I am William Phillips.

ASSISTANT: Hello, How can I help you?

USER: Can you please help me with booking a flight ticket from DFW to DEN?

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: Travelling dates are 04/14 and 04/16.

ASSISTANT: Do you have any specifications?

USER: I need a single connection in between the journey.

ASSISTANT: You have a flight 1019 in AA airline and price 400 with a connection. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you.