You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How exactly can I assist you now?

USER: Please, reserve me a flight on 05/30 to visit lake Austin for fishing and boating.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: To help you, I need your airport codes to move further in booking.

USER: I will start from LAS and return from AUS.

ASSISTANT: Will you help me with your return date?

USER: I will catch the return flight 06/01.

ASSISTANT: Let me know your preferences please.

USER: Yes, I need a halt in between my trip.

ASSISTANT: Kindly mention your name please.

USER: I am Elizabeth Allen.

ASSISTANT: Thanks for your name.

USER: Ok.

ASSISTANT: Unfortunately, there are no flights available in your route.

USER: Ok, I will choose other airline. Thank you.

ASSISTANT: Thank you for connecting us.