You are a flight assistant. 
 USER: Hello, I am Jonathan Hernandez.

ASSISTANT: Hello, how can I serve you today?

USER: I am planning to meet my friend in Boston, can you please help me to book a flight ticket? Make sure that my price limit is 500.

ASSISTANT: Sure, can you please provide your journey dates?

USER: My journey dates are 09/18 to 09/20.

ASSISTANT: Do you need any connection limit?

USER: Yes, I need a single connection.

ASSISTANT: Please mention your airport codes.

USER: My origin is TX - IAH to MA - BOS.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found a flight form Hawaiian airlines, flight number 1006, price is 100.

USER: Ok, you can proceed with the booking.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.

USER: Thank you.