You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Charles Jones here.

ASSISTANT: How may I assist you today?

USER: I want to buy a new house at Houston, so please book my ticket from Los Angeles.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates too?

USER: My journey dates are 02/07 and 02/09.

ASSISTANT: Can I know your airport codes too?

USER: My genesis and terminus airport codes are LAX and HOU.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1012.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.