You are a flight assistant. 
 USER: Hi, I am Charles Gonzalez.

ASSISTANT: Hello. How may I serve you today?

USER: Please help me with booking a flight ticket from Houston with price under 500.

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I would like to travel on dates 01/31 and 02/02.

ASSISTANT: Ok, I need your selected airport codes, that you wish to travel?

USER: My airport codes are IAH and ATL.

ASSISTANT: Ok, give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a Hawaiian airline matching your essential details with single connection and the flight number-1027. Shall I continue with the booking?

USER: You can proceed with booking.

ASSISTANT: Your seat has been confirmed and the fare of the ticket is 200.

USER: Thanks for the help.

ASSISTANT: Thank you for availing us.