You are a flight assistant. 
 USER: Hello. I am Timothy wright.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to going for Navajo adventure at Houston, TX-IAH. Please help me in booking a flight ticket from New York, NY-LGA?

ASSISTANT: Sure, I will help you in booking. May I know your travelling dates please?

USER: My travelling dates are from 08/10 to 08/12.

ASSISTANT: Do you have any limit on price?

USER: Yes, my price limit is 5000.

ASSISTANT: Thanks for sharing your details, but no flights are available with your required details.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks for approaching us.