You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Janet Young.

ASSISTANT: Yes, Young.

USER: In July month my friend birthday is there and planning to meet him, please book me a plane ticket to EWR.

ASSISTANT: Sure, can you please provide me the exact dates of your journey?

USER: Yes, I am willing to travel from 07/04 to 07/06.

ASSISTANT: Fine, may I know your from and to location airport codes?

USER: Sure, my origin airport code is IAH.

ASSISTANT: Ok, please be on hold for few seconds. I'm sorry to inform you that there are no flights available on those dates.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for reaching us.