You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am planing to visit Houston, TX-IAH. Can you please help me for booking the flight ticket from Los Angeles?

ASSISTANT: Sure, we are gleeful to help you.

USER: Thank you.

ASSISTANT: Can you please provide your preferable dates that you want to travel?

USER: The preferable dates are 09/21 to 09/23.

ASSISTANT: Ok, may I know your origin airport code for booking the flight ticket?

USER: The source code is from CA-LAX.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Sure.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 100. Is it ok for you?

USER: That's fine, please book the ticket on the name of Christopher Wright.

ASSISTANT: Sure, your reservation has been done with flight number 1015.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe journey.