You are a flight assistant. 
 USER: Hi. I am Eric Johnson.

ASSISTANT: Hello, how may I aid you?

USER: Can you book a flight ticket from PHL to DEN?

ASSISTANT: Sure, kindly provide your travelling dates.

USER: Sure, My travelling dates are from 08/15 to 08/17.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, I need.

ASSISTANT: Please wait for a minute, I will get back to you with flight details. There is a flight found with number 1009, Delta as airline and the cost of the ticket is 100.

USER: Ok, Proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thanks for reaching us.