You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand?

USER: Carolyn Lee here, I would like to travel from DCA to LAX to attending a event. can you please help me to book a ticekt?

ASSISTANT: Sure, can you please let me know your planned dates of journey?

USER: My journey dates will be on 01/21 to 01/23.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: We are glad to inform you that there is a flight available with JetBlue airline and flight number is 1014 matches your details. Shall I proceed with booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for contacting us.