You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Stephen Roberts.

ASSISTANT: How may I assist you?

USER: I want to book a flight ticket from AZ-PHX to TX-HOU. Can you help me?

ASSISTANT: Please provide connections limit.

USER: I need a connecting flight.

ASSISTANT: Ok. Please provide journey dates.

USER: 10/02 and 10/04 are my travelling dates.

ASSISTANT: Ticket is found with flight number 1002, airline Delta having price 100.

USER: You can reserve it.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.