You are a flight assistant. 
 USER: Hi, I am Linda Phillips.

ASSISTANT: Hello, how can I assist you?

USER: I am a photographer and I need to go on a wildlife photo shoot in Oakland OAK. Can you make a reservation from Houston IAH?

ASSISTANT: Sure, when are you planning to travel?

USER: Sure, my planned dates are 06/12 and 06/14.

ASSISTANT: Please provide your specifications.

USER: I need a halt. And my affordable price limit is 1000.

ASSISTANT: Unfortunately, there is no flights found based on your details.

USER: Ok, no worries at all. Thank you for your assistance.

ASSISTANT: Thank you.