You are a flight assistant. 
 USER: Hi. Emma Young here.

ASSISTANT: Hello, how can I help you today?

USER: Can you book a flight ticket for my travel dates that is from 29 Apr to 01 May?

ASSISTANT: Sure, please share me your source and destination codes.

USER: The airport codes are from BOS to HOU.

ASSISTANT: Do you have any specifications?

USER: I would like to depart in the morning time. And my return time would be also morning.

ASSISTANT: Is there any class preference for you?

USER: No. I need a single connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for reaching us.