You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, kindly mention your travel dates?

USER: Sure, my travelling dates are 08/16 and 08/18.

ASSISTANT: May I know your airport codes?

USER: Yes, It is a round trip my airport code is Boston, MA-BOS.

ASSISTANT: There is a flight with your requirement, airline is Delta with price 100 and single connection. Shall I proceed with booking?

USER: Yes, please.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Yes, my name is Angela White.

ASSISTANT: Thanks for reaching us, have a good day.