You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to watch rugby match at Chicago, so could you book my flight ticket from Houston?

ASSISTANT: I am happy to help you, please provide me your travel dates.

USER: My itinerary dates are 10/28 and 10/30.

ASSISTANT: Ok, please provide me your preferred airport codes.

USER: I will depart from HOU and land at ORD.

ASSISTANT: Ok, please help me with your name.

USER: Mark Gonzalez here.

ASSISTANT: There is a flight available with JetBlue airlines and the ticket fare is 100 only. Shall I book the ticket?

USER: Please book my ticket.

ASSISTANT: Mark, your ticket is booked and your flight number is 1013.

USER: Thank you for your help.

ASSISTANT: You are welcome and thank you for choosing us.