You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Matthew Roberts.

ASSISTANT: How can I help you?

USER: I am planning to visit Washington, can you please book me a ticket with 0 connection limit flight?

ASSISTANT: Sure, can you please help me with your airport codes?

USER: My nearest airport codes of travel are from LGA to DCA.

ASSISTANT: May I know your travel dates please?

USER: My planned dates of journey are from 03/20 to 03/22.

ASSISTANT: Southwest airlines is having a flight with travel charge of 200, shall I proceed for booking?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket has been booked with flight-1008, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.