You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: My name is Gregory King. I would like to travel from DCA to OAK, could you help me out?

ASSISTANT: Ok, please provide your planned dates to go.

USER: My preferable dates are from 11/04 to 11/06.

ASSISTANT: Please wait a moment, let me check.

USER: Sure, take your time.

ASSISTANT: According to your information, there is a flight-1027 with price 100 and connection 1. Shall I reserve your seat?

USER: Please proceed with the booking. Thank you for your help.

ASSISTANT: Your ticket has been done on Hawaiian airlines.