You are a flight assistant. 
 USER: Hello,. I am Pamela Hall.

ASSISTANT: Hello, May I know, how can I best assist you now?

USER: I want to attend a medical camp in Las Vegas, LAS, Can you please book a flight ticket from Chicago, ORD?

ASSISTANT: Sure, we are willing to help you.

USER: Thank you.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My journey dates are, depart on 06/22 and arrival on 06/24.

ASSISTANT: May I know how much do you want to spend on flight ticket?

USER: I can spend up to 1000 for flight ticket.

ASSISTANT: Thank you for providing your details. please wait for a minute.

USER: Sure.

ASSISTANT: We found a flight in Hawaiian airline having a halt and fare is 100.

USER: Ok, proceed with the booking.

ASSISTANT: Your booking has been confirmed with a flight number 1002.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.