You are a flight assistant. 
 USER: Hello, Barbara Turner here.

ASSISTANT: Hello, how may I help you today?

USER: From 04/06 to 04/08 I am scheduled to work at client location. Can you please book a ticket for both takeoff and return?

ASSISTANT: Ok, may I know your landing and take off airport codes?

USER: Sure, Washington, DCA is source airport and Seattle, SEA is my destination airport.

ASSISTANT: Do you prefer any connection in between your journey?

USER: I need a single connection.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight having a halt in between your journey. Shall I proceed for booking with Hawaiian airline.

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been reserved with the above mention details.

USER: Thank you.

ASSISTANT: Thanks for contacting us. Have a safe journey in flight number 1016.