You are a flight assistant. 
 USER: Hello, I am Charles Wilson.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in booking a flight ticket to LAS from OAK?

ASSISTANT: Sure, I am here to help you. Please share your travelling dates.

USER: My travel dates are from Dec 30 to Jan 01.

ASSISTANT: Do you need any connection in between the journey?

USER: I am comfortable with any flight.

ASSISTANT: Please share your class preference.

USER: I do not have any class preference.

ASSISTANT: Do you have any other specifications on your trip?

USER: I would like to depart in the afternoon.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT:  We have a economy class connecting flight operated by Frontier Airlines with a fare of 200 that departs in the afternoon. Is it ok for you?

USER: Yes, I am ok with that.

ASSISTANT: Your ticket is booked and flight number 1009.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a good day.