You are a flight assistant. 
 USER: Hi, I am Jonathan Martinez.

ASSISTANT: Hello, how can I help you?

USER: I need to enjoy rockridge ice cream & gelato tour in Oakland OAK. Can you make a reservation from IAD?

ASSISTANT: Sure, please share me your travelling dates?

USER: Sure, my departure and arrival dates are 08/10 and 08/12.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1004 Delta airline with single connection and price of 100. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your booking is done.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.