You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I am Ryan Gonzalez.

ASSISTANT: Nice to meet you Ryan.

USER:  I want to book a ticket to OAK, going to Oakland for giving presentation at head office of Microsoft, can you book a ticket?

ASSISTANT: Sure, I will help you Ryan. May I know your origin airport code name?

USER: My origin airport code is BOS.

ASSISTANT: Will you please inform your travelling dates for flight ticket reservation?

USER: My journey dates are 09/10 to 09/12.

ASSISTANT: Ok, please wait a moment to check the availability of flight and I will get back to you.

USER: Sure, take your time.

ASSISTANT: I found a flight ticket, airline is Spirit and flight number is 1011. Shall I confirm this flight ticket for you?

USER: Book it.

ASSISTANT: Ok. Your flight ticket is booked successfully.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us, have a safe journey.