You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Samuel Campbell. Can you please help me with booking a flight ticket from IAH to IAD?

ASSISTANT:  Sure, I am here to help you. Please share your travelling dates.

USER: My travel dates are 12/10 and 12/12.

ASSISTANT: Do you need any halt in between the journey?

USER: I need a halt in between the journey.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry we didn't find any flights with your details.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thanks for the help.