You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Mary Johnson here. Can you help me to find a flight from DCA to DTW?

ASSISTANT: Please mention your dates of travel.

USER: My travel dates are 10/19 and 10/21.

ASSISTANT: There is a connecting flight-1000 on Spirit airline with the price 200, shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, booking is done with your name.

USER: Thank you.

ASSISTANT: Welcome Mary Johnson.