You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Betty Hill.

ASSISTANT: Hill, how can I assist you?

USER: I need to attend a wedding in Oakland. Can you help me to book a ticket from IAD to OAK?

ASSISTANT: May I know your travel dates?

USER: Sure, I want to fly on 06/10 and 06/12.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Spirit airlines with flight 1002 is available for you.

USER: Perfect, you can book the ticket.

ASSISTANT: Your ticket is reserved.

USER: Thank you for assisting me.

ASSISTANT: Thank you for approaching us.

USER: Most welcome.