You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Steven Turner here, I want to reserve my ticket from ORD to DCA, can you please help me?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: Sure, my planned dates of journey are from 08/26 to 08/28.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: There is a UA airlines flight 1022 of UA airlines, shall I proceed?

USER: Ok, please proceed with this booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Welcome.