You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Joshua Hall here. I'm planning to attend mu cousin's wedding, please book a ticket from OAK to LAS.

ASSISTANT: Sure, can I know your travelling dates?

USER: Sure, my planned departure and return travel dates are 26th and 28th of December.

ASSISTANT: Do you have any particular time for departing and returning?

USER: Yes, I want to depart on the morning.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: Both are ok for me.

ASSISTANT: Which class do you prefer?

USER: I'm ok with any class.

ASSISTANT: We found JetBlue airline with price 100 and economy class and airline number is 1015 with arrival time is 10 AM and departure time is 11 AM, Shall I proceed for booking?

USER: That's fine, please proceed for booking.

ASSISTANT: Your ticket is booked. Thank you for reaching us.

USER: Thank you so much for your help.