You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am looking for a flight on the route OAK to IAD, can you please find that any airlines providing service on this route?

ASSISTANT: Sure, what are your planned dates of journey?

USER: My planned dates of journey are 12/29 and 12/31.

ASSISTANT: May I know your good name, please?

USER: Betty Lopez here.

ASSISTANT: Betty, UA airline has a flight service on that route with flight-1029, ticket fare is 100 only. Shall I proceed for booking?

USER: Sounds good, it suits my requirements.Book it for me.

ASSISTANT: I have successfully confirmed your ticket, have a nice journey.

USER: Thank you for the services.

ASSISTANT: Thank you for choosing us to serve you.