You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Gregory Perez.

ASSISTANT: Ok.

USER: I have a plan to attend the Client meeting on 01/26 in Boston MA-BOS. Could you please help me in booking?

ASSISTANT: Sure, I will help you, may I know your return date?

USER: My return date is 01/28.

ASSISTANT: May I know your source airport code?

USER: My source code is Las Vegas NV-LAS.

ASSISTANT: Could you please help me in saying the price limit?

USER: Price limit should be under 1000.

ASSISTANT: There is a Hawaiian 1024 airline which matches your travelling dates. Shall I proceed with booking?

USER: You can continue with the booking.

ASSISTANT: Your booking has been confirmed on name of Gregory Perez.

USER: Thank you for your assistance.

ASSISTANT: Than you for approaching us.