You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I am Rachel Rodriguez. Can you book a ticket from IAH to AUS, to meet my brother on his birthday.

ASSISTANT: Ok, when are you planning your journey?

USER: Ok, my travelling dates are 08/22 and 08/24.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Rachel, I found a flight in AA airlines with price 200. Shall I book the ticket for you?

USER: Yes, please book it.

ASSISTANT: Your ticket is confirmed with the flight - 1023.

USER: Thanks for assigning me.

ASSISTANT: Thank you for contacting us.