You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Brenda White.

ASSISTANT: Brenda, do you need any assistance from us?

USER: Can you please help me to book the flight ticket from JFK to HOU with the ticket fare under 5000?

ASSISTANT:  Ok, I feel euphoric to help you about it. Can you please let me know your planned dates of journey?

USER: I want to watch the magic show which is going to conduct on 03/08, so I have to start my journey on 03/07 and also book the return ticket on 03/09.

ASSISTANT: Ok, please give me a moment to check for the availability of flights.

USER: Sure, I will wait for your response.

ASSISTANT: I appreciate your patience. I am sorry to inform you that there is no flight available at your requested dates.

USER: No problem, I will find out some other way. Anyway thank you very much for checking.

ASSISTANT: Thank you for choosing our agency, have a great day.

USER: You are welcome.

ASSISTANT: Most welcome.