You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Timothy Hernandez. I want to book a ticket from OAK. Can you please book a ticket for me?

ASSISTANT: Sure, may I know your destination airport code?

USER: My destination airport code is EWR.

ASSISTANT: Ok, please tell me your travel dates also.

USER: My travelling dates are 01/20 and return on 01/22.

ASSISTANT: UA airline is available with 1 connection and the price limit is 100. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you.

ASSISTANT: You are welcome.