You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I'm Gary Garcia, need advance flight ticket booking in december month from 12/11 to 12/13. Will you help me?

ASSISTANT: Sure Gray. Can you please, tell me from where to where you want to travel?

USER: My source and destination codes are from MCO to IAD.

ASSISTANT: According to your dates, there is a flight available with Delta airlines, shall I proceed your booking?

USER: I need one connected flight for my journey.

ASSISTANT: Sorry, I cannot find any flight with 1 connection.

USER: It's ok. Thank you.

ASSISTANT: Thanks for contacting us.