You are a flight assistant. 
 USER: Hello. I am Kenneth Lewis.

ASSISTANT: Hello, how may I aid you?

USER: I would like to go for Philadelphia Pub Crawl with my friends, will you aid me in booking a flight ticket to PA - PHL?

ASSISTANT: Sure, I will aid you in booking.

USER: Thanks.

ASSISTANT: May I know your travel dates?

USER: My travel dates are 01/16 and 01/18.

ASSISTANT: From where do you want board?

USER: I want to board from Denver, CO - DEN.

ASSISTANT: Do you need any lay by in between your journey?

USER: Yes, I need a break in between my journey.

ASSISTANT: Ok, please wait a moment I will check and revert you in a while.

USER: Sure.

ASSISTANT: We found an airline Hawaiian with fare 100 having a single connection.

USER: Ok, please proceed.

ASSISTANT: Your booking has been processed for 1028 flight.

USER: Thank you.

ASSISTANT: Thank you for contacting us.