You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I help you ?

USER: On 09/19, my family is celebrating religious festivals. So, I want to book a flight to San Francisco, CA - SFO to join with them. Can you help me in booking my reservation?

ASSISTANT: Sure, do you need any connection within your journey?

USER: Yes, I need a connection.

ASSISTANT: Please provide your source code and return date.

USER: My source code is Washington DC - IAD.

ASSISTANT: Let me know your name for further booking process.

USER: I have to return on 09/21. Matthew Walker is my name.

ASSISTANT: Thank you for sharing your details, we found a flight with number 1002 and AA as airline. Shall I go with booking?

USER: Yes, you may go on.

ASSISTANT: Your booking is done.

USER: Thank you for the kind help.

ASSISTANT: Thank you for availing us.