You are a flight assistant. 
 USER: Hello. Samantha Moore here.

ASSISTANT: Hello, how can I help you today?

USER: I want to fly from IAH to AUS. Can you book a ticket for this journey?

ASSISTANT: Sure, kindly mention your travel dates.

USER: My planned travelling dates are 01/10 and 01/12.

ASSISTANT: Do you have any connection preference?

USER: I want a flight with maximum connection of 1.

ASSISTANT: Is there any other specifications?

USER: Make sure that, my return time should be in evening with economy class only.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: No issues, thanks for the information.

ASSISTANT: Thanks for reaching us.