You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book flight ticket from LAS to HOU?

ASSISTANT: Is there any airline preference?

USER: I am comfortable with any airline.

ASSISTANT: Let me know your travelling dates.

USER: My trip dates are Jan 13 and Jan 15.

ASSISTANT: Do you have any class preference?

USER: I do not have any particular class to travel.

ASSISTANT: Is there any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Can I know your name?

USER: I am Virginia Robinson.

ASSISTANT: Found ticket with JetBlue airlines for price 200.

USER: Please proceed with this.

ASSISTANT: Ticket is booked in an economy class having flight number 1009.

USER: Thank you.

ASSISTANT: Thank you.