You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I have a live music concert at Houston, please help me in booking a ticket from OAK to IAH.

ASSISTANT: May I know your journey dates?

USER: My planned journey dates are on June 27 and June 29.

ASSISTANT: Is there any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Any more requirements?

USER: I prefer an economy class.

ASSISTANT: There were no flights found with your required dates to travel.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Can you help me with your name?

USER: My name is Angela Thompson.

ASSISTANT: Thank you for choosing us.