You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Larry Carter here. Can you please book a flight ticket from OAK to SFO?

ASSISTANT: Sure Larry, I will assist you. May I know your travel dates please?

USER: Sure, I need to travel on dates of 06/25 and 06/27.

ASSISTANT: Can you please wait while I check for the flight availability?

USER: Sure, take your time.

ASSISTANT: There is a single connecting flight with the fare 100 and the airlines is Frontier. Can I proceed?

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

ASSISTANT: Your booking is done successfully and the flight number is 1018.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our agency.

USER: Most welcome.