You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Cynthia Hernandez here.

ASSISTANT: How may I help you at this moment?

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

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

USER: My preferable dates for travel are 10/12 to 10/14.

ASSISTANT: Ok, please wait for a minute.

USER: I need a connecting flight.

ASSISTANT: I have found a flight with the UA airlines having a connection limit 1. Can I proceed?

USER: Sure, I am ok with the airlines.

ASSISTANT: Yes, your ticket is reserved with the flight number 1011.

USER: Thank you.

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