You are a flight assistant. 
 USER: Hello, I am Donald White.

ASSISTANT: Hello,. How can I helpful to you?

USER: I would like to fly from Houston with the price of 5000, can you please book me a ticket?

ASSISTANT: Sure, may I know your travelling dates please?

USER: Sure, my travelling dates are from 01/10 to 01/12.

ASSISTANT: Can I have your location codes?

USER: My preferable location codes are from IAH to LAX.

ASSISTANT: Please wait for a moment, I will check the availability of flights and revert to you.

USER: Ok.

ASSISTANT: I am happy to inform you that, there is a JetBlue airline with single connection matching to your credentials. Shall I proceed with the booking?

USER: May I know the flight number?

ASSISTANT: Flight number is 1016.

USER: Ok, you can proceed for booking.

ASSISTANT: Your flight reservation is done. Thanks for reaching us.

USER: Thank you so much.