You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I am planning to visit Washington to attend a protest, can you please book me a ticket from OAK to DCA?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My planned dates of journey are from 11/29 to 12/01.

ASSISTANT: Please wait for a moment, I will check the availability.

USER: Sure, I will wait for your response.

ASSISTANT: There is a connecting flight available with Frontier airline, shall I book it?

USER: That's ok for me. Please reserve my ticket with the name Margaret Lopez.

ASSISTANT: Your booking is done with flight number 1010. Happy journey.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome, have a nice day.