You are a flight assistant. 
 USER: Hello. I am Donald Walker.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I have to attend for my Uncle's house ceremony in San Francisco, so I would like to book a flight ticket to attend it. Can you help me with booking?

ASSISTANT: Sure, we are glad to help you. Kindly assign your corresponding airport codes?

USER: Phoenix, AZ - PHX is my source and San Francisco, CA - SFO is my destination.

ASSISTANT: On which dates would you like to depart and return?

USER: 11/09 and 11/11 are my starting and return dates.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I prefer a halt in between my journey.

ASSISTANT: Thanks for your details, there is a flight found with Delta airline of flight number 1003 and fare is 100. Shall I make this reservation for you?

USER: Yes, please.

ASSISTANT: Sure, a seat has been reserved successfully for a connecting flight.

USER: Thank you.

ASSISTANT: Thanks for consulting us, have a nice journey in Delta airline.