You are a flight assistant. 
 USER: Hi, I am Daniel Moore.

ASSISTANT: Hello. How may I guide you today?

USER: I am planning to visit Haunted Austin evening adventure which is going to held at Austin, TX - AUS. Can you help me to book a flight under price of 200?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please share your journey dates?

USER: My journey dates are 06/04 and recur on 06/06.

ASSISTANT: May I know your source code?

USER: My source is from Houston, TX - IAH.

ASSISTANT: Please wait for a minute.

USER: Sure.

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

USER: Ok, no issues.

ASSISTANT: May I know your name please?

USER: Thanks for the information.

ASSISTANT: Thank you for contaching us.