You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I serve you the best?

USER: I want go to my hometown, can you help me to book a flight within the fare of 5000?

ASSISTANT: Sure, may I know your trip dates?

USER: I want to fly on 06/02 and return on 06/04.

ASSISTANT: Where you want to head to?

USER: I want to fly from EWR to IAH.

ASSISTANT: Thank you for your details, please be on hold.

USER: I need a direct flight. Ok.

ASSISTANT: Sure, I will check the availability and let you know.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Ok, no issues.

ASSISTANT: May I know your name?

USER: I am Christine Edwards.

ASSISTANT: Thank you for reaching us Christine Edwards.

USER: Thanks for your support.