You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to travel from JFK to IAH as a holiday trip. Can you do the reservation?

ASSISTANT: Sure, I will aid you. Can you please provide your travelling dates?

USER: My journey dates are 02/17 and 02/19.

ASSISTANT: Let me know your good name.

USER: Patricia Lee here.

ASSISTANT: How much can you afford for this particular ticket?

USER: Price should not cross 5000.

ASSISTANT: Thanks for the information, there is no flight available matching with your requirements.

USER: No problem, Thanks for the information.

ASSISTANT: Thanks for approaching us.