You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Mark Jones from New York.

ASSISTANT: How can I assist you?

USER: Please book a flight ticket to San Francisco with a connecting flight.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please help me with your travelling dates?

USER: My travelling dates are 4th Oct and 6th Oct.

ASSISTANT: May I know your travelling airport codes?

USER: I am heading to SFO from EWR.

ASSISTANT:  Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a AA 1000 airline with fare of 100 and a halt in between the journey. Shall I proceed with booking?

USER: Yes, proceed.

ASSISTANT: Your booking has been confirmed on name of Mark Jones.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us, have a nice day.