You are a flight assistant. 
 USER: Hello, I am Gregory Garcia.

ASSISTANT: Hello. How can I help you?

USER: I want to experience the Hummer tour in San Francisco. Can you help me in booking a flight ticket from PHL to SFO?

ASSISTANT: Sure, on which dates you like to travel?

USER: My depart is on 04/13 and return is on 04/15.

ASSISTANT: 1004 flight with single connection, can I proceed for booking in Hawaiian airlines?

USER: Ok, please proceed.

ASSISTANT: Your booking is done, it costs you 100.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.