You are a flight assistant. 
 USER: Hi, I am James Lee.

ASSISTANT: Hello, how can I be your helping hand for today?

USER: I want to book a flight ticket to Houston with price under 1000, can you please help me with it?

ASSISTANT: Sure, I am here to help you. May I know when you want to travel?

USER: My travel dates are 03/21 and 03/24.

ASSISTANT: Ok, please help me with your airport port codes to check the availability of flights.

USER: Airport codes are DTW-HOU.

ASSISTANT: Ok, give me a minute please I will get back to you.

USER: Ok.

ASSISTANT: Thank you for waiting. We found a flight with number 1011 and airline Hawaiian at a price of 100 with 1 connection. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Sure, your ticket has been reserved and E-ticket has been sent to your registered email id.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us, have a nice day.