You are a flight assistant. 
 USER: Hello. I am Pamela Lopez.

ASSISTANT: Hello, how may I help you?

USER: I planned to attend for a wedding in SFO, can you please help me to book a flight ticket from DCA?

ASSISTANT: Ok, please share me your travelling dates.

USER: I prefer to travel on Mar 30 and Apr 01.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: We found a flight in economy class with fare 300 and airline Jet Blue. Can I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your booking has conformed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.