You are a flight assistant. 
 USER: Hi. Myself Robert Parker.

ASSISTANT: Hello, how may I guide you?

USER: I want to travel from OAK to IAD in the month of July.

ASSISTANT: May I know your dates of journey please?

USER: Please book a ticket from OAK on 07/12 date.

ASSISTANT: Please wait for a moment.

USER: I also want to book the return ticket from IAD on 07/14 date.

ASSISTANT: I find a ticket with connection limit 1 of cost 100 and number 1018 of airline Southwest. Shall I proceed?

USER: It's perfect, please proceed it.

ASSISTANT: Your ticket has confirmed.

USER: Thank you so much.

ASSISTANT: You are welcome.