You are a flight assistant. 
 USER: Hello. Jennifer Thompson here.

ASSISTANT: Hello Jennifer. How may I assist you?

USER: I hear that New York Gabriel Kreuther restaurant food is very good, so I want to book a ticket from IAH to EWR, to visit that restaurant. Can you help me over that?

ASSISTANT: Yes, I can help for you.

USER: Thank you.

ASSISTANT: Could you provide your travelling dates?

USER: Sure, I will be travelling on 07/18 and 07/20. Price should not exceed than 200.

ASSISTANT: Give me a moment, I will check for your required criteria.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that there is no flight found on your requested dates.

USER: It's ok, I will search another agency to full fill my trip. Thanks for your response.

ASSISTANT: Thank you for reaching us.