You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

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

ASSISTANT: Sure. Please let me know your journey dates.

USER: Ok, my travelling dates are from  11/09 to 11/11.

ASSISTANT: And may I know your flight codes?

USER: Yes, my airport codes are EWR and LAS.

ASSISTANT: Shall I know your name for further process?

USER: Charles Clark.

ASSISTANT: Thanks for waiting. You have 1010 flight with UA airline of price 100 with 1 connection. Can I book a ticket?

USER: Please proceed with this booking.

ASSISTANT: Your ticket has booked.

USER: Thank you.

ASSISTANT: Thank you for opting us and have a nice journey.