You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I need to travel from SFO to DCA, can you help me?

ASSISTANT: Ok, I am here to help you with that. Can I know your itinerary dates?

USER: My trip dates are Feb 19 to 21.

ASSISTANT: May I know your name?

USER: Debra White here.

ASSISTANT: Can I know your depart and return timings?

USER: No.

ASSISTANT: I have found a connecting flight having a ticket fare of 100 which is provided by Southwest airlines in an economy class. Shall I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved in an economy class and the flight number 1016.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a safe journey.