You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Caswell house at Austin, can you please book a ticket under the price 1000?

ASSISTANT: Sure, I will help you. Please share me your travelling dates?

USER: My depart day is on 07/08 and arrival is on 07/10.

ASSISTANT: Can I know your airport codes?

USER: My staring point is at Phoenix, AZ-PHX. Landing point is at Austin, TX-AUS.

ASSISTANT: Please mention your name to proceed with booking?

USER: I am Margaret Wilson.

ASSISTANT: Are you comfortable with two connections.

USER: No, I am not comfortable.

ASSISTANT: Sorry, there is no flight with your requirements.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for reaching us.