You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you for today?

USER: I am Sarah Rodriguez. I am looking for a flight booking service, can you help me out?

ASSISTANT: Sure, what is your journey destination?

USER: My journey starts from LGA and ends at HOU.

ASSISTANT: Can you help me by providing your preferable dates of journey?

USER: My journey dates are 04/04 and 04/06. 500 is my price limit. I want 1 connection limit.

ASSISTANT: As per your preferable dates flights are not available.

USER: Oh! ok. Thank you for your support.

ASSISTANT: Thank you for contacting our service.