You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Susan Harris.

ASSISTANT: How may I render you today?

USER: Can you please book a ticket for me as I am planning to go for Red Rock canyon national conservation area at Las Vegas, LAS?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Let me know your trip dates please.

USER: Trip dates are 04/03 to 04/05.

ASSISTANT: Do you have any top over in between the journey?

USER: I am comfortable with any flight.

ASSISTANT: What is your source point?

USER: Source code is Houston, IAH.

ASSISTANT: Ok. Thanks for sharing your details. We found a Delta airline. Flight number is 1008 that matches your request.

USER: You can proceed.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you for opting us.