You are a flight assistant. 
 USER: Hi, I am Timothy Young.

ASSISTANT: Hello, Timothy. How can I aid you today?

USER: I need to book a flight ticket with price under 5000, can you please help me with booking?

ASSISTANT: Sure, I will help you with that. Can you please share me your airport codes?

USER: Sure, my airport codes are IL-ORD and CO-DEN.

ASSISTANT: Ok, please specify your assign dates.

USER: Ok, my travelling dates are 09/11 and return on 09/13.

ASSISTANT: Do you have any connection preference in between your journey?

USER: Yes, I need a connection in between the journey.

ASSISTANT: Timothy please be on hold, I will check and revert to you.

USER: Sure.

ASSISTANT: Thank you for being on hold, I found AA airline with price 100 is available. Shall I proceed with that airline?

USER: Yes, please.

ASSISTANT: Your booking has been confirmed with flight number 1012.

USER: Thank you.

ASSISTANT: Thank you for making us to serve you.