You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how shall I help you?

USER: I am Jennifer Mitchell. I want to book a flight ticket under the range of 500.

ASSISTANT: Ok.

USER: Can you help me in booking a flight ticket with a connecting flight?

ASSISTANT: Please help me with your travelling codes.

USER: I want to go for holiday vacation at IAH from ORD.

ASSISTANT: May I know your travel dates?

USER: I will fly on 03/15. I will be return on 03/17.

ASSISTANT: Connecting flight 1005, airline Spirit with price 100 is available.

USER: Ok, Proceed with booking.

ASSISTANT: Shall I book flight? Your flight ticket is booked.

USER: Ok, Thanks for your help.

ASSISTANT: Have a great day!.