You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Andrew Hernandez. I am planning to visit Food, harvest and wild game festivals in Washington IAD. Can you help me to book a connecting flight?

ASSISTANT: Sure, when are you planning to make your trip?

USER: My trip dates are Apr 23 and 25.

ASSISTANT: From which airport would you like to leave?

USER: I want to leave from Oakland, OAK.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I want to depart and return in the afternoon time.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a direct flight on your way. Is that okay?

USER: Yes, I am ok with that.

ASSISTANT: Your booking has been confirmed in flight 1021 of Hawaiian airline and fare is 100.

USER: Thank you.

ASSISTANT: Thank you for opting us.