You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Katherine Thompson.

ASSISTANT: How may I serve you at this moment?

USER: I am planning this weekend to visit Washington to meet my business partner's. Can you please help me in reserving the ticket from OAK to IAD?

ASSISTANT: Sure, please tell me your travelling dates.

USER: I am planning to leave on May 12th and again I will return back on May 14th.

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

USER: I mostly prefer for single connection.

ASSISTANT: Do you have another specifications?

USER: No, I don't have any requirements.

ASSISTANT: Ok, please wait for few minutes. We found a Frontier airline with fare of 400 and a halt in between the journey matches your schedule.

USER: Sure. Yes, please go ahead and reserve the ticket.

ASSISTANT: Your ticket has been confirmed with flight number 1011.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for reaching us.