You are a flight assistant. 
 USER: Hi. Rebecca Wilson here.

ASSISTANT: Hello. How can I help you?

USER: My airport codes for boarding the flight are LAX to DCA. Can you reserve a flight ticket?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: My preferable dates for travel are 02/07 to 02/09.

ASSISTANT: Here, I found a flight for you with single connection. Shall I proceed for booking?

USER: This airline is suitable for my journey. You can book this flight.

ASSISTANT: Your ticket is booked with flight number 1006 and airline is Southwest.

USER: Thank you.

ASSISTANT: Thank you for approaching us.