You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jerry Davis here.

ASSISTANT: How can I assist you?

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

ASSISTANT: Sure, we are happy to help you. Can you please let me know your travelling dates?

USER: Sure, my preferable dates of journey are from Jun, 29 to Jul, 01.

ASSISTANT: Do you prefer any halt in between journey?

USER: No, I need a direct flight.

ASSISTANT: Is there any other specifications?

USER: Not required.

ASSISTANT: Thanks for providing details, no flights are available on your journey routes.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for choosing us.