You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Benjamin Miller.

ASSISTANT: How may I guide you today?

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

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: I would like to depart on Nov 26th and return on Nov 28th.

ASSISTANT: Do you have any class preference?

USER: I need a flight ticket in economy class.

ASSISTANT: Is there any halt in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.