You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Can you aid me to book a ticket from IAH to OAK?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My travel dates are Dec 19 and Dec 21 respectively.

ASSISTANT: Ok, could I have your name please?

USER: Frank Thompson here.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: Make sure that connection limit is single.

ASSISTANT: Ok, do you have any other specifications?

USER: No other specifications for me.

ASSISTANT: The economy class with flight number 1016 of Hawaiian airline is available having fare as 100 and connection as 1, is it ok for you?

USER: Please proceed for booking.

ASSISTANT: Ok, your reservation is confirmed. The departure and arrival time is 16:00 hours and the arrival time is 1:00 hours.

USER: Thank you for the help.

ASSISTANT: You are welcome, have a great day.