You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Please help me to book a flight ticket from OAK to DCA.

ASSISTANT: Sure, to book a ticket can I know your travelling dates?

USER: My journey dates are from Apr, 14 to Apr, 16.

ASSISTANT: Do you have any connection limit in between journey?

USER: I need a single connecting flight.

ASSISTANT: Is there any other requirements, please let me know?

USER: No.

ASSISTANT: Will you please let me know your name?

USER: Ryan Gonzalez.

ASSISTANT: There is an airline called Delta of flight 1023 in an economy class with single connection. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.