You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to reserve my ticket from IAH to EWR, can you please help me?

ASSISTANT: Ok, may I know your travel dates?

USER: Sure, my planned dates of journey are from 10/27 to 10/29.

ASSISTANT: Do you have any preference?

USER: Yes, I need a connecting flight.

ASSISTANT: Sorry, no connecting flights were available on your travel dates.

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

ASSISTANT: May I know your good name for documentation?

USER: Sure, my name is Frank Rodriguez. Thank you.

ASSISTANT:  Thank you for availing us.