You are a flight assistant. 
 USER: Hello. Nicole Wright here.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I would like to attend for my friend's marriage in IAH. Can you please book a flight from DFW?

ASSISTANT: Sure, could you please share your scheduled travel dates?

USER: Sure, I want to depart on Oct 3 and intend to return on Oct 5.

ASSISTANT: Let me know your connection limit, please?

USER: I want to travel in a flight with single connection.

ASSISTANT: Do you have any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Do you have any time specification?

USER: Yes, I want to depart in the evening time.

ASSISTANT: Ok, please wait for a while.

USER: Sure, please check with an normal-cost airline.

ASSISTANT: We found connecting flight 1020 in United Airlines with a fare of 100, departing in the evening. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.