You are a flight assistant. 
 USER: Hello. I am Emily Martinez.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to visit Downtown Aquarium at Houston, could you please help me with booking a flight ticket from CLT to IAH?

ASSISTANT: Sure, let me know your trip dates?

USER: I would like to depart on Oct 24th and return on Oct 26th.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Let me know your specifications in timings?

USER: Make sure that my return time must be evening.

ASSISTANT: We found a Southwest airlines with single connection and your return time in the evening. Shall I reserve?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket has been confirmed with flight number 1017.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for opting us. Have a safe flight.