You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Dorothy Edwards.

ASSISTANT: How may I assist you Edwards?

USER: I need to reach Washington DC to submit my report regarding minerals availability in Houston so please help me with booking of flight ticket.

ASSISTANT: Sure, I will help you. Could you please provide your preferable dates that you want to travel?

USER: Sure, I have planned to travel on dates of 10/19 and 10/21.

ASSISTANT: Ok, may I know your source and destination airport codes for booking?

USER: Sure, I need to depart from HOU and landing in DCA.

ASSISTANT: Ok, please hold on a moment to check the availability of flights and I will revert back to you.

USER: Sure, take your time to check.

ASSISTANT: Based on your information, flight number 1027 from UA airlines with 1 connection with the fare of 200 is available for you.

USER: That's fine with me, please go for booking.

ASSISTANT: Congratulations, your reservation is done successfully under your name.

USER: Thank you for your valuable service.

ASSISTANT: Thank you for approaching us, have a safe journey.

USER: Most welcome.