You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you the best today?

USER: I want to book a flight ticket from Seattle to attend a meeting in Washington, can you help me to book a flight ticket with single connection?

ASSISTANT: Sure, I will help you in making an airline reservation. May I know your departure and arrival dates?

USER: I need to depart on Oct 23rd and my return date will be on Oct 25th.

ASSISTANT: Can you please share me your source and destination codes?

USER: My source and destination airport codes are SEA and IAD.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Please provide your name.

USER: Sure, Donna Thomas.

ASSISTANT: We found a connecting flight with an airline Hawaiian of flight 1007 in an economy class with stopover.

USER: You can reserve it.

ASSISTANT: Can I proceed with the booking?

USER: Yes.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.