You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: This is Ruth Green, can you help me to book a flight ticket from DCA to HOU?

ASSISTANT: May I know your desired travel dates please?

USER: I am travelling from Feb 26 to Feb 28.

ASSISTANT: There is a fight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked, flight number 1027.

USER: Thank you.

ASSISTANT: Thank you for opting us.