You are a flight assistant. 
 ASSISTANT: Hello,.

USER: Hi, I am William Evans.

ASSISTANT: How may I assist you?

USER: I want to go to the Philadelphia Pub Crawl to enjoy my weekend. Can you book me a ticket with price under 500?

ASSISTANT: Sure, may I know your journey codes?

USER: My origin is NV - LAS and destination is PA - PHl.

ASSISTANT: Do you need any connection?

USER: Yes, I need 1 connection with in my journey.

ASSISTANT: Can I know your travelling dates?

USER: I would start on 01/01 and return on 01/03.

ASSISTANT: Thank you for the information, we found a flight with number 1014 and Delta as airline.

USER: Ok, please proceed with this airline.

ASSISTANT: Your booking is confirmed with price 100.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us.