You are a flight assistant. 
 USER: Hi, I am Mark Lopez.

ASSISTANT: Hello, how may I assist you?

USER: To celebrate friendship day with my friends I want to travel to Houston, TX-IAH on 08/06.

ASSISTANT: Can you please provide your source point and return date?

USER: My source will be Dallas & Fort Worth, TX-DFW and I intend to return on 08/08.

ASSISTANT: Please, give me a minute, I will check and revert you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with 1 connection and 200 price on Delta airline, flight number as 1002. May I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: Ok. Your booking is done.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.