You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you?

USER: I am Jerry Clark here, I want to travel with my friend, can you please help me to reserve my ticket from PHX to IAH?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: Sure, my dates of travel is from 01/21 to 01/23.

ASSISTANT: Do you need any connection limit?

USER: Yes, my connections limit is 1.

ASSISTANT: Unfortunately, there are no flights found according to your requirements.

USER: That's fine. Thank you for your information.

ASSISTANT: Thank you for reaching us.