You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephen Gonzalez.

ASSISTANT: Stephen Gonzalez, how may I aid you?

USER: Can you book a flight ticket from SFO to DCA?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My planned travel dates are May, 25 and May, 27.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight and my depart time should be at afternoon.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Hawaiian airlines airlines with flight 1017 is providing service with a connecting flight and ticket costs you 200 in economy class.

USER: Please proceed for further.

ASSISTANT: Your ticket is confirmed, flight departs at 15:00 PM and arrives at 19:00 PM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.