You are a flight assistant. 
 USER: Hello, I am Jessica Davis.

ASSISTANT: Hello, how can I help you today?

USER: I want to watch live event at Houston, HOU.

ASSISTANT: Ok.

USER: Can you help me in booking from Phoenix, PHX?

ASSISTANT: Sure, I am perky to help you. May I know how much you can afford for this journey?

USER: I can bare up to 500.

ASSISTANT: Please, share your dates of trip to proceed further.

USER: I will fly on 04/23 and will be return on 04/25.

ASSISTANT: Give me a moment, I will search flight for you.

USER: Sure.

ASSISTANT: Thank you for your patience. Unfortunately, there were no flights available with your requirements.

USER: Ok, No issues. Thanks for the information.

ASSISTANT: Thank you for approaching us.