You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Sarah Harris. Can you help me in booking a flight ticket from HOU to DCA to give a seminar on computers?

ASSISTANT: On which dates your travelling?

USER: Thank you and I would like to move on 03/08 and back on 03/10.

ASSISTANT: There is a flight with 100 fare, can I proceed for booking in 1006 flight?

USER: Yes, please proceed.

ASSISTANT: Booking is done in AA airlines.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.