You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Janet Martinez here. I want to submit my research record at Houston university. Can you help me in booking a flight ticket from ORD to HOU?

ASSISTANT: Can I know your travelling dates?

USER: My trip dates are 10/02 - 10/04.

ASSISTANT: Do you have any class preference?

USER: I do not have any class preferences.

ASSISTANT: Is there any airline preference?

USER: No, thank you for asking.

ASSISTANT: Connecting flight can be booked with United airlines for price 100 having flight number 1002.

USER: Please reserve.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.