You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Elizabeth Rodriguez, can you help me to book a flight from DCA on 07/05?

ASSISTANT: Ok, may I know your return journey details?

USER: I am planning to return on 07/07 from OAK.

ASSISTANT:  Is there any additional preferences do you have?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight-1027, is it ok for you?

USER: Proceed with booking.

ASSISTANT: Ok, booking is done on AA airlines.

USER: Thank you.

ASSISTANT: Welcome, have a safe journey.