You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I need to travel from IAH to AUS, can you help me?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My trip dates are 06/06 and 06/08.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight which returns in morning.

ASSISTANT: Can I know your name?

USER: I am Sarah Rodriguez.

ASSISTANT: Sorry to inform you that there are no flights found on your requested criteria.

USER: That's ok. Thank you.

ASSISTANT: Thank you for contacting us.