You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER:  I am Carolyn Williams. I am planning a tour with my friends in summer from HOU to AUS, can you help in finding a flight?

ASSISTANT: Could you provide your travel dates?

USER: My date of journey is on 04/28 to 04/30.

ASSISTANT: Let me check, please wait for a while.

USER: Sure.

ASSISTANT: Flight number 1017 of Southwest airlines is available for you.

USER: proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Welcome.