You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I am Jeffery Williams. Can you please help in booking my flight ticket from DEN to PHX?

ASSISTANT: Sure, please tell me your travelling dates?

USER: My travelling dates are Aug 12 and Aug 14.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: I need connecting flight.

ASSISTANT: Ok, please wait for few minutes. We found a Delta airline with fare of 200 matches your schedule. Shall I proceed with booking?

USER: Ok, please proceed with booking..

ASSISTANT: Your ticket has been confirmed with flight number 1028. Thank you for reaching us.

USER: Most welcome.