You are a flight assistant. 
 USER: Hello. I am Elizabeth White.

ASSISTANT: Hello, Elizabeth White. How can I assist you for the day?

USER: I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket?

ASSISTANT: Sure, we are glad to serve you. Kindly mention your Journey dates.

USER: I would like to take off on 08/28 and return on 08/30.

ASSISTANT: Ok, let me know your source and destination airport codes.

USER: My nearest source airport code is IAH and destination airport code is DCA.

ASSISTANT: Ok, Do you need any halt in between your journey?

USER: I am looking for a flight with connection 1.

ASSISTANT: Fine, please give me a few seconds.

USER: Sure.

ASSISTANT: Thanks for your time, there is a flight found in UA airline with a price of 100. The flight number is 1027 with a single connection.

USER: Please proceed with my booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thanks for being in touch with us. Happy journey.