You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to meet my uncle at Houston, please book my ticket from New York.

ASSISTANT: Sure, I am here to help you with that. May I know your airport codes?

USER: I will be travelling from EWR to IAH.

ASSISTANT: Can you please provide your travel dates to proceed further?

USER: I will be leaving on 11/18 and returning on 11/20.

ASSISTANT: There is a flight from Southwest airlines with 1 connection limit and airfare is 100, shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with the flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for approaching us.