You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to attend my friend marriage in Houston, can you book a ticket? My airport codes are EWR to IAH.

ASSISTANT: Sure, please let me know dates of travel.

USER: My travel dates are 02/20 and 02/22.

ASSISTANT: Ok, mean while may I know your name?

USER: Janet Davis here.

ASSISTANT: Ok, there is a flight for you with airline Delta. Shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket has been booked with the flight number 1023.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.