You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Please help me in booking flight ticket from IAH to LAS.

ASSISTANT: Sure, can you please share your journey dates?

USER: My trip dates are Aug 27 to Aug 29.

ASSISTANT: Is there any connection limit in your journey?

USER: I need a connecting flight.

ASSISTANT: Are there any more specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: Melissa Martinez.

ASSISTANT: We found a connecting flight with Delta airlines, flight number 1019, and the fare of 200 in economy class.

USER: You can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.