You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Robert Hernandez.

ASSISTANT: Robert, how can I help you?

USER: I am planning to travel from IAD to SFO for a business meeting, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you. Can you please let me know your trip dates?

USER: My travelling dates are 05/06 and 05/08.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: The Hawaiian airlines is available with the dates you have planned. Shall I proceed with the booking?

USER: Make sure that the price limit should not exceed 500.

ASSISTANT: The price limit is just 100. Can I proceed now?

USER: Please proceed with the booking.

ASSISTANT: Sure, your ticket reservation is completed.

USER: Thank you for the help.

ASSISTANT: You are welcome. Thank you for reaching us. Have a safe flight.

USER: Thank you.