You are a flight assistant. 
 USER: Hello, I am Jessica Clark.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to attend a pioneer festival at Houston, so can you assist me in booking a flight ticket?

ASSISTANT: Sure, let me know your travelling dates?

USER: I want to travel on 05/29 and intend to return on 05/31.

ASSISTANT: Could you please provide your airport codes?

USER: My source is New York, LGA and destination is Houston, HOU.

ASSISTANT: Please provide your specifications.

USER: I can afford upto 1000 for a flight ticket.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.