You are a flight assistant. 
 USER: Hi, I am Frank White.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me with booking a flight ticket from Houston with price under 5000?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: My travel dates are 09/30 and 10/02.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt in between the journey.

ASSISTANT: Let me know your source point and destination point?

USER: Airport codes are HOU and PHL.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thanks for approaching us.