You are a flight assistant. 
 USER: Hello, I am Mark Phillips.

ASSISTANT: Hello, how can I respond to you?

USER: I am planing to attend my brother birthday in Atlanta, GA - ATL, can you help me with booking a connecting flight?

ASSISTANT: Sure, may I know your planned dates of travel?

USER: My travelling dates are from 05/10 to 05/12.

ASSISTANT: Can you please provide your source point?

USER: My source code is NV - LAS.

ASSISTANT: Please mention your price limit?

USER: My price limit is 5000.

ASSISTANT: We found an airline Hawaiian with flight 1020 having a fare 500 with halt. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your booking has been done.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.