You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you now?

USER: I want to visit Navajo Adventure at Chicago, can you please book me a ticket?

ASSISTANT: Sure, I will help you to book a flight ticket. Please share me your planned journey dates?

USER: Sure, I have planned my trip dates on 07/16 and 07/18.

ASSISTANT: Do you need any halt in between the journey?

USER: I need a halt.

ASSISTANT: Please provide me your source and destination point?

USER: My source is PHL to ORD.

ASSISTANT: Please mention your price limit?

USER: I can afford up to 1000.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, I found a flight of airline Southwest, flight number is 1018 and fare is 300. Shall I proceed with booking?

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Myself Timothy Carter.

ASSISTANT: Than you for visiting us, have a nice journey.

USER: Thank you so much.