You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emma Baker.

ASSISTANT: How may I lend a hand to?

USER: I am planning to attend my sister marriage at AUS with my family.

ASSISTANT: Emma Baker, I am willing to help you for this. When you are willing to leave?

USER: My travelling dates are Jan 11 and Jan 13.

ASSISTANT: Could you please share me your source airport code?

USER: My takeoff airport code is DFW.

ASSISTANT: Do you have any requirements?

USER: I can afford up to 500.

ASSISTANT: Sorry to intimate, no flights are found with your criteria.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you very much for reaching us.