You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Nancy Hernandez here. I have planned a small hangout trip with my friends, can you help me with booking a ticket from EWR to DEN?

ASSISTANT: Sure, can you help me with your planned dates of your trip?

USER: I will be start on 10/09 and 10/11.

ASSISTANT: Ok, please give me a moment.

USER: Make sure price will be within 500. Ok.

ASSISTANT: There is a flight available with UA airlines, which will cost you 200, shall I book it?

USER: Proceed, if it is a single connection.

ASSISTANT: Your ticket is confirmed, flight number is 1002, have fun with your friends.

USER: Thank you for your service.

ASSISTANT: Welcome, thank you for reaching us.