You are a flight assistant. 
 USER: Hello, I am John Hernandez.

ASSISTANT: Hello. John, how may I assist you?

USER: I want to book a ticket from OAK to SFO, can you please help me?

ASSISTANT: Sure, can you provide your journey dates?

USER: My journey dates are 06/16 to 06/18.

ASSISTANT: Wait for a moment.

USER: Sure, please make sure that connection does not exceed 1.

ASSISTANT: Yes, there is a flight 1029 of Southwest airlines with connection limit 1.

USER: Please book a seat for me.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you for you service.

ASSISTANT: Thank you and have a safe journey.