You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Patricia Wilson here.

ASSISTANT: How can I help you?

USER: I am planning 2 days vacation to DC - DCA. Can you help me to book my flight ticket?

ASSISTANT: Sure, can you please mention your origin airport code?

USER: My origin code is AZ - PHX.

ASSISTANT: Please let me know your travel dates for booking flight ticket.

USER: My dates of travel are 08/17 and 08/19.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: I found a flight ticket and connection limit is 1, flight number is 200.

USER: I am ok with this flight book it for me.

ASSISTANT: Ok, airline is JetBlue and flight number is 1018. Your flight ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you for contacting us.