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

ASSISTANT: Hello, how may I help you today?

USER: I want to visit Presidio of San Francisco, to meet the president. Can you help me in booking with flight ticket?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Do you need a connection in between your journey?

USER: Yes, I need a connection.

ASSISTANT: May I know your source and destination airport codes?

USER: Source is Phoenix, PHX destination is SFO.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: Book me a ticket on 10/25,to start my journey and return on 10/27.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight for you, flight details are as Spirit airline, fare 100 and flight number 1002.

USER: That's perfect, go on with booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for your kind help.

ASSISTANT: Thank you for connecting with us.