You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jason Parker here.

ASSISTANT: How may I aid you?

USER: I am planning to attend my friend marriage in phoenix, PHX. Could you please help me with booking a flight ticket from IAH?

ASSISTANT: Sure, I am here to help you with that. May I know your travel dates please?

USER: My travel dates are from June 06 to June 08.

ASSISTANT: Ok, please be on hold.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not an issue. Anyway, thank you for the information.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your service.